Items where Subject is "Natural Sciences > Mathematics"

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, Ashwin and , Shravan and , Shivkumar and Satya, Gowri (2022) Addendum to math from simple grids : exploring addition - RowColSum puzzle. At Right Angles (12). pp. 105-109. ISSN 2582-1873

, CoMac (2012) Ramanujan and pythagoras! At Right Angles, 1 (2). pp. 41-42.

, CoMac (2013) A plethora: One problem, six Solutions. At Right Angles, 2 (1). pp. 35-38.

, Crux Mathematicorum (2012) Problems, the life blood of mathematics. At Right Angles, 1 (1). pp. 65-66. ISSN 2582-1873

, Maran (2013) What is your corner : a game for learning place value. At Right Angles, 2 (2). pp. 75-77. ISSN 2582-1873

, Rakshitha (2021) An Olympiad challenge. At Right Angles (10). pp. 99-100. ISSN 2582-1873

, Rakshitha (2021) Two Problems in Number Theory - Part I. At Right Angles. pp. 93-95. ISSN 2582-1873

, मारन (2013) स्थानीय मान सीखने के लिए एक खेल : तुम्हारा कोना कौन-सा है ? At Right Angles. ISSN 2582-1873

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A, Ramachandran (2022) Investigative Questions for the Middle School. At Right Angles (13). pp. 32-33. ISSN 2582-1873

Aavishkaar, (2021) Which is the best deal? At Right Angles (10). pp. 42-48. ISSN 2582-1873

Adiga, Shreyas S (2022) A Geometry Problem from IMO 2016. At Right Angles. pp. 79-82. ISSN 2582-1873

Adiga, Shreyas S (2021) A functional equation from APMO 2019. At Right Angles. pp. 82-83. ISSN 2582-1873

Anand, Aradhana (2018) Creating trigonometric tables. At Right Angles, 7 (2). pp. 5-9. ISSN 2582-1873

Anupama, S.M. (2020) BODMAS: Much ado about nothing? At Right Angles (8). pp. 17-21. ISSN 2582-1873

Aswathi, Khushboo (2017) Drawing a spiral of square roots. At Right Angles, 6 (1). pp. 39-45. ISSN 2582-1873

Athle, Ajit (2012) How to . . .solve a geometry problem – I : a three step guide. At Right Angles, 1 (2). pp. 43-45. ISSN 2582-1873

Athle, Ajit (2013) How to…solve a geometry problem, part–2. At Right Angles, 2 (2). pp. 43-45. ISSN 2582-1873

Athle, Ajit. (2014) Solve a geometry problem — III. At Right Angles, 3 (3). pp. 75-77.

Athmaraman, R. (2012) Open-ended questions. At Right Angles, 1 (2). pp. 37-40.

Athmaraman, R. (2013) Problems for the Middle School. At Right Angles, 2 (3). pp. 1-3. ISSN 2582-1873

Athmaraman, R. (2014) Problems for the middle school. At Right Angles, 3 (1). pp. 68-70. ISSN 2582-1873

Athmaraman, R. (2012) Problems for the middle school. At Right Angles, 1 (2). pp. 67-69. ISSN 2582-1873

Athmaraman, R. (2015) Problems for the middle school. At Right Angles, 4 (3). pp. 88-91.

Athmaraman, R. (2014) Problems for the middle school. At Right Angles, 3 (3). pp. 78-79.

Athmaraman, R. (2013) Problems for the middle school. At Right Angles, 2 (1). pp. 53-55. ISSN 2582-1873

Athmaraman, R. (2013) Problems for the middle school. At Right Angles, 2 (2). pp. 67-68. ISSN 2582-1873

Athmaraman, R. and Titus, Sneha (2018) Problems for the middle school. At Right Angles, 7 (1). pp. 105-111. ISSN 2582-1873

Azim Premji Foundation, Math Co-dev Group (2022) Deciphering the mode formula. At Right Angles (12). pp. 39-44. ISSN 2582-1873

Azim Premji University, Math Space (2020) Low floor high ceiling tasks : Summing v. At Right Angles (6). pp. 26-29. ISSN 2582-1873

Azim Premji University, Math Space (2021) Review : counters. At Right Angles. pp. 97-100. ISSN 2582-1873

Azim Premji University, Math Space (2020) Review: arrow cards. At Right Angles. pp. 111-113. ISSN 2582-1873

Azim Premji University, Math Space (2022) Review: spinner. At Right Angles (12). pp. 102-104. ISSN 2582-1873

Azim Premji University, Math Space (2020) Triangles to Tetrahedrons and beyond…. At Right Angles (7). pp. 58-66. ISSN 2582-1873

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B, Sury (2013) Set theory revisited as easy as pie the principle of inclusion and exclusion – part 1. At Right Angles, 2 (1). pp. 16-19. ISSN 2582-1873

B., Sury (2020) Tiresome paths, water gates and Euler’s formula. At Right Angles (6). pp. 6-9. ISSN 2582-1873

Badiger, Arvind N. (2012) Generating PPTs-letter received from the reader. At Right Angles, 1 (2). p. 1. ISSN 2582-1873

Banerjee, Rakhi (2020) Area of rectangle=length×breadth: conversations with a 9-year-old. At Right Angles (7). pp. 19-24. ISSN 2582-1873

Basu, Madhushree and Prasad, Amritanshu and Ravikumar, Vijay (2018) Triangular numbers. At Right Angles, 7 (1). pp. 5-12.

Bhaduri, Ananda (2019) Circles inscribed in segments. At Right Angles (4). pp. 22-26. ISSN 2582-1873

Bhatnagar, Gaurav (2014) How to discover 22/7 and other rational approximations to π. At Right Angles, 3 (1). pp. 49-53. ISSN 2582-1873

Bhatnagar, Gaurav (2017) How to discover the exponential function x e. At Right Angles, 6 (3). 09-13.

Bhatt, Meghraj (2019) Simple cryptography. At Right Angles (5). pp. 29-31. ISSN 2582-1873

Bhattacharjee, Bedanto and Sarkar, Riddhi (2022) A New Way of Looking at the Difference-of Two-Squares Identity. At Right Angles (13). pp. 58-59. ISSN 2582-1873

Bhattacharjee, Maitreyo (2022) Connecting φ and π. At Right Angles (12). pp. 125-128. ISSN 2582-1873

Bizony, Marcus (2016) The 3-4-5 triangle: some observations. At Right Angles, 5 (3). pp. 12-15.

Bizony, Marcus (2016) Three means. At Right Angles, 5 (2). pp. 50-53.

Bizony, Marcus (2017) The golden ratio unexpectedly. At Right Angles, 6 (1). pp. 29-31. ISSN 2582-1873

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COMMUNITY MATHEMATICS CENTRE, CoMaC (2015) Generating the n-th Prime. At Right Angles, 4 (2). pp. 28-29.

Chand, Amit (2021) How the square root algorithm works. At Right Angles (9). pp. 29-35. ISSN 2582-1873

Chandan, Dev and Patil, Adhiraj (2017) Happy numbers. At Right Angles, 6 (3). pp. 37-39. ISSN 2582-1873

Chattopadhyay, Siddhartha Sankar (2022) On a Generalization of a Problem on Factorisation. At Right Angles (13). pp. 51-53. ISSN 2582-1873

Chattopadhyay, Siddhartha Sankar (2021) On the tens digit of a prime power. At Right Angles (9). pp. 76-78. ISSN 2582-1873

Chaurasia, Gaurav (2021) An Approach to Cubic Equations. At Right Angles (9). pp. 91-92. ISSN 2582-1873

Chaurasia, Gaurav (2020) Squaring the Circle. At Right Angles (7). pp. 67-68. ISSN 2582-1873

Chhabra, Nishtha (2021) Kasuti : the mathematics of embroidery. At Right Angles. pp. 7-12. ISSN 2582-1873

Comac, Comac (2017) There are infinitely prime numbers. At Right Angles, 6 (3). pp. 26-27.

Comac, Comac (2017) What to do when one gets two different answers to a counting problems. At Right Angles, 6 (3). pp. 64-66.

Comac, Comac (2017) A triangle problem. At Right Angles, 6 (3). pp. 96-98.

Community Mathematics Centre, CoMaC (2013) An impossible construction. At Right Angles, 2 (1). p. 65.

Community Mathematics Centre, (CoMaC) (2016) The rascal triangle. At Right Angles, 5 (1). pp. 44-48. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2016) 20 - 30- 130, a trigonometric solution. At Right Angles, 5 (1). pp. 68-70. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2017) 3 4 5... strikes again! At Right Angles, 6 (1). pp. 48-49.

Community Mathematics Centre, CoMaC (2016) A 80-80-20 triangle. At Right Angles, 5 (2). pp. 63-65. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2016) Addendum to integer-sided Triangles with perpendicular medians. At Right Angles, 5 (1). p. 31. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2016) Addendum to “A 20-30-130 triangle”. At Right Angles, 5 (2). pp. 66-67. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2014) Adventures in problem solving - Squares between Squares. At Right Angles, 3 (1). pp. 64-67. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2018) Area covered by two intersecting circles. At Right Angles, 7 (3). pp. 59-62. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2019) Can there be SSA congruence? At Right Angles (4). pp. 66-69. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2018) Characterisation of a right triangle. At Right Angles, 7 (2). pp. 91-94. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2020) Chika’s test for divisibility by 7. At Right Angles (6). pp. 16-18. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2012) Complete family of pythagorean triples. At Right Angles, 1 (2). pp. 27-30.

Community Mathematics Centre, CoMaC (2021) Computation of a surd. At Right Angles (10). pp. 84-85. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2019) Computing an angle in an equilateral triangle. At Right Angles (4). pp. 102-103. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2017) Connecting the dots... the art and science of interpolation and extrapolation. At Right Angles, 6 (2). pp. 12-16. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2016) Digital roots of perfect numbers. At Right Angles, 5 (2). pp. 45-49. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2014) Enumeration of semi-regular tessellations. At Right Angles, 3 (1). pp. 12-14.

Community Mathematics Centre, CoMaC (2019) Finding the square root of a four-digit perfect square. At Right Angles. pp. 66-68. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2013) Fun problems. At Right Angles, 2 (1). pp. 49-52.

Community Mathematics Centre, CoMaC (2013) Fun problems. At Right Angles, 2 (2). pp. 62-66. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2012) How many primitive Pythagorean triples in arithmetic progression. At Right Angles, 1 (1). pp. 33-34.

Community Mathematics Centre, CoMaC (2013) In his own words: George Polya. At Right Angles, 2 (1). pp. 30-34.

Community Mathematics Centre, CoMaC (2018) Is a parallelogram ever not a parallelogram? At Right Angles, 7 (1). pp. 72-74. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2012) Many ways to QED : the pythagorean theorem. At Right Angles, 1 (1). pp. 20-24.

Community Mathematics Centre, CoMaC (2016) Octagon in a square: another solution. At Right Angles, 5 (3). pp. 67-69. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2016) Octagon in a square. At Right Angles, 5 (1). pp. 71-73. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2015) On proofs without words …a thousand words? At Right Angles, 4 (1). pp. 7-10. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2012) One formula - two derivations. At Right Angles, 1 (1). pp. 35-38.

Community Mathematics Centre, CoMaC (2020) Partial sum of consecutive integers equal to a square. At Right Angles (7). pp. 1-4. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2018) Problem about a finite sequence. At Right Angles, 7 (2). pp. 137-139. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2017) Problem concerning rational numbers. At Right Angles, 6 (2). pp. 98-102.

Community Mathematics Centre, CoMaC (2012) Ramanujan numbers. At Right Angles, 1 (2). pp. 61-62.

Community Mathematics Centre, CoMaC (2015) Some problems from the Olympiads. At Right Angles, 4 (1). pp. 56-58. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2017) Theorem concerning a right triangle. At Right Angles, 6 (2). pp. 95-97. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2015) Triangle in a rectangle. At Right Angles, 4 (1). pp. 64-65. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2014) Two combinatorial problems. At Right Angles, 3 (3). pp. 70-72.

Community Mathematics Centre, CoMaC (2017) Two problem studies. At Right Angles, 6 (1). pp. 76-79.

Community Mathematics Centre, CoMaC (2016) Two problem studies. At Right Angles, 5 (3). pp. 82-84. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2015) Two problems. At Right Angles, 4 (3). pp. 83-87. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2016) Two problems. At Right Angles, 5 (1). pp. 88-90. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2017) What’s the next number? At Right Angles, 6 (2). pp. 54-56.

Community Mathematics Centre, CoMaC (2018) An angle-in-a- quadrilateral problem. At Right Angles, 7 (2). pp. 101-104. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2013) An application of graphs centigrade–fahrenheit conversion. At Right Angles, 2 (1). pp. 41-43.

Community Mathematics Centre, CoMaC (2015) A baby one quarter the size of its parents. At Right Angles, 4 (2). pp. 40-43. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2015) The cost of money. At Right Angles, 4 (3). pp. 56-58. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2016) The difference-of-two-squares formula : a new look. At Right Angles, 5 (2). pp. 54-57. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2020) An ‘extreme algebra’ question. At Right Angles. pp. 99-101. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2015) A flower with four petals. At Right Angles, 4 (2). pp. 26-27. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2015) An impossible relation. At Right Angles, 4 (3). p. 42. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2015) A magic square in Ramanujan’s honour. At Right Angles, 4 (3). pp. 48-49. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2018) A minimum perimeter problem. At Right Angles, 7 (1). pp. 120-122.

Community Mathematics Centre, CoMaC (2016) A new test for divisibility by 8. At Right Angles, 5 (3). pp. 46-48. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2015) A potpourri of problems. At Right Angles, 4 (2). pp. 55-58. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2016) A problem study. At Right Angles, 5 (2). pp. 85-90. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2018) A pythagoras-style diophantine equation and its Solution. At Right Angles, 7 (3). pp. 101-012. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2017) A simpler way to bisect an angle. At Right Angles, 6 (1). p. 47. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2012) A surprising fact about triangles with a 60 degree angle : is the converse of a statement always true? At Right Angles, 1 (2). pp. 52-54. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2013) A tale of two formulas. At Right Angles, 2 (3). pp. 57-60. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2018) The three circles problem. At Right Angles, 7 (2). pp. 134-136. ISSN 2582-1873

Community Mathematics Centre, (CoMaC) (2014) A nines multiples problem. At Right Angles, 3 (3). pp. 73-74.

Costa, Agnes D (2012) Exploring constructivism. At Right Angles, 1 (2). pp. 1-2. ISSN 2582-1873

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D E, PRITHWIJIT and SHIRALI, SHAILESH (2016) Problems for the Senior School. At Right Angles, 5 (2). pp. 77-80.

D.B., Damini and Dhar, Abhishek (2022) How Archimedes showed that pi is approximately 22 by 7. At Right Angles (12). pp. 13-19. ISSN 2582-1873

DE VILLIERS, M (2013) A Trapezium theorem generalized. At Right Angles, 2 (3). pp. 53-56. ISSN 2582-1873

DESAI, RANJIT (2016) Adventures with triples. At Right Angles, 5 (2). pp. 91-93.

DESAI, RANJIT (2020) The Generalised Pythagoras Theorem – Another Proof. At Right Angles (7). pp. 42-43. ISSN 2582-1873

Dani, S. G. and Limaye, M. (2021) On some geometric constructions in the sulvasutras from a pedagogical perspective – I. At Right Angles (9). pp. 7-16. ISSN 2582-1873

Dani, S. G. and Limaye, Medha (2021) On some geometric constructions in the sulvasutras from a pedagogical perspective – II. At Right Angles (10). pp. 7-16. ISSN 2582-1873

Das, Shuborno (2018) Functional equations. At Right Angles, 7 (2). pp. 10-18. ISSN 2582-1873

Das, Shuborno (2018) Functional equations, part-II. At Right Angles, 7 (3). pp. 5-10. ISSN 2582-1873

Das, Shuborno (2018) Solutions to practice problems in functional equations – part I. At Right Angles, 7 (3). pp. 11-14. ISSN 2582-1873

Dash, Arddhendu Shekhar (2020) The Approach to Teaching Fractions: Misconceptions and more. At Right Angles. pp. 26-31. ISSN 2582-1873

Dash, Arddhendu Shekhar (2020) Justification of 90° angle construction procedure. At Right Angles (6). pp. 35-39. ISSN 2582-1873

Dash, Arddhendu Shekhar (2021) Verbal communication in a mathematics classroom. At Right Angles. pp. 18-20. ISSN 2582-1873

De, Prithiwijit and Shirali, Shailesh (2017) Problems for senior school. At Right Angles, 6 (3). pp. 104-107.

De, Prithiwijit and Sircar, Swati and Titus, Sneha (2017) APC-AREA, perimeter and congruency. At Right Angles, 6 (3). pp. 55-58.

De, Prithwijit (2021) Adventure with quadratic equations. At Right Angles. pp. 104-108. ISSN 2582-1873

De, Prithwijit (2022) Classrooms: Roots in Coefficients. At Right Angles. pp. 83-85. ISSN 2582-1873

De, Prithwijit (2021) On Some Questions Related to a Triangle. At Right Angles (9). pp. 86-88. ISSN 2582-1873

De, Prithwijit (2018) On an optimization problem. At Right Angles, 7 (1). pp. 80-82.

De, Prithwijit (2017) On problem posing. At Right Angles, 6 (2). pp. 82-85. ISSN 2582-1873

De, Prithwijit (2018) Pigeonhole principle: some applications. At Right Angles, 7 (3). pp. 74-78. ISSN 2582-1873

De, Prithwijit (2020) Playing with Quadrilaterals. At Right Angles (8). pp. 77-80. ISSN 2582-1873

De, Prithwijit (2021) Tom and jerry play with fractions. At Right Angles (10). pp. 57-59. ISSN 2582-1873

De, Prithwijit (2022) An arithmetic escapade. At Right Angles (12). pp. 45-47. ISSN 2582-1873

De, Prithwijit (2016) An eye on eyeball. At Right Angles, 5 (2). pp. 34-37.

De, Prithwijit (2019) A geometric exploration. At Right Angles (4). pp. 90-92. ISSN 2582-1873

De, Prithwijit (2018) The odd-even tale. At Right Angles, 7 (2). pp. 126-129. ISSN 2582-1873

De, Prithwijit (2012) A sweet seller’s trick. At Right Angles, 1 (1). pp. 17-19.

De, Prithwijit (2017) A triangle problem and three variants. At Right Angles, 6 (3). pp. 31-36.

De, Prithwijit and Shirali, Shailesh (2014) Problem for the senior school. At Right Angles, 3 (2). pp. 74-76. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2016) Problems for the senior school. At Right Angles, 5 (1). pp. 82-84. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2016) Problems for the senior school. At Right Angles, 5 (3). pp. 72-76. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2018) Problems for the senior school. At Right Angles, 7 (2). pp. 123-125. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2013) Problems for the senior school. At Right Angles, 2 (2). pp. 69-70. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2014) Problems for the senior school. At Right Angles, 3 (1). pp. 71-72. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2020) Problems for the Senior School. At Right Angles (8). pp. 66-69. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2019) Problems for the Senior school. At Right Angles (4). pp. 87-89. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2017) Problems for the senior school. At Right Angles, 6 (1). pp. 73-75. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2017) Problems for the senior school. At Right Angles, 6 (2). pp. 92-94.

De, Prithwijit and Shirali, Shailesh (2012) Problems for the senior school. At Right Angles, 1 (2). pp. 70-73.

De, Prithwijit and Shirali, Shailesh (2013) Problems for the senior school. At Right Angles, 2 (3). pp. 64-65. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2013) Problems for the senior school. At Right Angles, 2 (1). pp. 56-59.

De, Prithwijit and Shirali, Shailesh (2018) Problems for the senior school. At Right Angles, 7 (3). pp. 103-105. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2019) Problems for the senior school. At Right Angles (5). pp. 77-80. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2020) Problems for the senior school. At Right Angles (6). pp. 69-71. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2019) Problems for the senior school. At Right Angles. pp. 97-99. ISSN 2582-1873

De, Prithwijit and Shirali, Shailesh (2018) Problems for the senior schools. At Right Angles, 7 (1). pp. 117-119.

De, Prithwijit and Shirali, Shailesh (2020) Problems for the senior schools. At Right Angles. pp. 96-98. ISSN 2582-1873

De, Prithwijit and Titus, Sneha and Sircar, Swati (2014) Fair Division. At Right Angles, 3 (1). pp. 31-34.

De, Prithwijit and Shirali, Shailesh (2014) Problems for the senior school. At Right Angles, 3 (3). pp. 80-81.

De Villiers, Michael (2015) Flashback to the past a 1949 matric geometry question. At Right Angles, 4 (3). pp. 24-29. ISSN 2582-1873

De Villiers, Michael (2017) from a golden rectangle to golden quadrilaterals and beyond, part 2. At Right Angles, 6 (2). pp. 74-81. ISSN 2582-1873

Deens Academy Math Club, (2020) The N-Queens Problem. At Right Angles (8). pp. 40-46. ISSN 2582-1873

Delhi World Public School, Department of Mathematics (2022) The Power of stories in math class. At Right Angles (12). pp. 20-28. ISSN 2582-1873

Desai, Ranjit (2016) Adventures with triples, part II. At Right Angles, 5 (3). pp. 85-90. ISSN 2582-1873

Desai, Ranjit (2021) Complete journey of a minute hand. At Right Angles (9). p. 36. ISSN 2582-1873

Dewan, Hridaykant (2018) Interpretation of errors in arithmetic. At Right Angles, 7 (3). pp. 48-52. ISSN 2582-1873

Dhaliwal, A.S. and Ghosh, A. and Mansukhani, N. (2020) A Cellular Automata Model for Predicting Crowd Movement during Evacuation. At Right Angles (8). pp. 53-62. ISSN 2582-1873

Dhasmana, Preeti (2021) Finding out area by using symmetry. At Right Angles. pp. 44-53. ISSN 2582-1873

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Fitzherbert, Anushka Rao (2018) The conjecturing classroom. At Right Angles, 7 (1). pp. 38-43.

Fraivert, David and Stupel, Moshe (2018) Formulas for special segments in a triangle. At Right Angles, 7 (2). pp. 72-85.

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G. R., Veena (2019) The gap between ‘HOW’ and ‘WHY’ in mathematics…. At Right Angles (4). p. 54. ISSN 2582-1873

Gandhi, Haneet (2014) Covering the Plane with repeated patterns. At Right Angles, 3 (1). pp. 5-11.

Gandhi, Haneet (2014) Covering the plane with repeated patterns- part II. At Right Angles, 3 (2). pp. 5-9. ISSN 2582-1873

Gandhi, Haneet (2017) Method in mathness : cataloguing 1-uniform tilings. At Right Angles, 6 (1). pp. 15-20. ISSN 2582-1873

Gandhi, Haneet and Verma, Neha (2020) Mathematical Doodling using the what-if-not approach. At Right Angles. pp. 32-38. ISSN 2582-1873

Garge, Anuradha S. (2012) Tracing the history of a theorem Lagrange’s four squares theorem. At Right Angles, 1 (2). pp. 5-9.

Gaur, Shiv (2012) Axioms of paper folding. At Right Angles, 1 (2). pp. 16-22. ISSN 2582-1873

Gaur, Shiv (2012) How do you divide a strip into equal fifths? At Right Angles, 1 (1). pp. 25-28.

Gaur, Shiv (2013) An ‘Origamics’ activity : X-lines. At Right Angles, 2 (3). pp. 46-48. ISSN 2582-1873

Gaur, Shiv (2013) Paper play making a skeletal dodecahedron a solid geometry experience. At Right Angles, 2 (1). pp. 5-10. ISSN 2582-1873

Gesota, Rupesh (2018) Making sense of adding unlike fractions. At Right Angles, 7 (2). pp. 59-61. ISSN 2582-1873

Ghosh, Abhroneel and Warhadpande, Mahit (2021) Lessons from proofs both false and true. At Right Angles (10). pp. 29-34. ISSN 2582-1873

Ghosh, Jonaki (2020) Dynamic geometry software: A conjecture making tool. At Right Angles. pp. 86-92. ISSN 2582-1873

Ghosh, Jonaki (2014) Exploring Fibonacci numbers using a spreadsheet. At Right Angles, 3 (1). pp. 58-63. ISSN 2582-1873

Ghosh, Jonaki (2016) Fractal constructions leading to algebraic thinking. At Right Angles, 5 (3). pp. 59-66. ISSN 2582-1873

Ghosh, Jonaki (2015) Hill ciphers. At Right Angles, 4 (3). pp. 62-71. ISSN 2582-1873

Ghosh, Jonaki (2012) The birthday paradox. At Right Angles, 1 (1). pp. 39-42.

Ghosh, Jonaki (2019) Exploring fractals : the geogebra way. At Right Angles (4). pp. 77-83. ISSN 2582-1873

Ghosh, Jonaki B. (2021) Exploring the Nine-point Circle: Conjecture making and proof using Dynamic Geometry Software. At Right Angles. pp. 59-65. ISSN 2582-1873

Ghosh, Jonaki B. (2019) The game of craps. At Right Angles (5). pp. 66-73. ISSN 2582-1873

Ghosh, Jonaki B. (2012) The monty hall problem. At Right Angles, 1 (2). pp. 55-60.

Ghosh, Jonaki B. and Adsule, Rohit (2018) One dimensional cellular automata-The totalistic approach. At Right Angles, 7 (2). pp. 105-116. ISSN 2582-1873

Ghosh, Jonaki B. and Adsule, Rohit (2018) The elementary cellular automata a journey into the computational world. At Right Angles, 7 (1). pp. 95-104.

Ghosh, Sourangshu (2021) Inequalities - Part 1. At Right Angles (10). pp. 93-96. ISSN 2582-1873

Ghosh, Sourangshu (2021) Inequalities - part 2. At Right Angles. pp. 109-112. ISSN 2582-1873

Ghoshal, Manoranjan (2021) Angle trisection – an approximate procedure. At Right Angles. pp. 71-72. ISSN 2582-1873

Gomathy, R. (2019) Playing with tiles beginning to tessellate. At Right Angles. pp. 38-43. ISSN 2582-1873

Goswami, Richa (2018) Misconceptions in fraction. At Right Angles, 7 (1). pp. 48-51. ISSN 2582-1873

Gowers, William Timothy (2019) How Craig Barton wishes he’d taught maths. At Right Angles (5). pp. 83-88. ISSN 2582-1873

Gulati, Sangeeta (2017) Create your own interactive activity. At Right Angles, 6 (3). pp. 81-88.

Gulati, Sangeeta (2018) Mobile puzzles – making sense of variables and equations. At Right Angles, 7 (3). pp. 63-68. ISSN 2582-1873

Gulati, Sangeeta (2016) Play and learn with Desmos. At Right Angles, 5 (1). pp. 75-80. ISSN 2582-1873

Gupta, Sandhya (2018) Shapes with sutli : the string game. At Right Angles, 7 (3). pp. 26-33. ISSN 2582-1873

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Hazra, Krittika (2021) Little mathematicians. At Right Angles (10). ISSN 2582-1873

Humenberger, Hans (2021) The Bevan point and associated points and circles. At Right Angles (10). pp. 64-69. ISSN 2582-1873

Hussen, Ali Ibrahim (2015) Approximating square roots and cube roots. At Right Angles, 4 (1). pp. 11-15. ISSN 2582-1873

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Islam, Mujahidul (2021) Playing with turtle blocks. At Right Angles. pp. 87-96. ISSN 2582-1873

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Jagadeeshan, Shashidhar (2019) From regular pentagons to the icosahedron and dodecahedron via the golden ratio – ii. At Right Angles (5). pp. 17-26. ISSN 2582-1873

Jagadeeshan, Shashidhar (2019) From regular pentagons to the icosahedron via the golden ratio - part I. At Right Angles (4). pp. 5-9. ISSN 2582-1873

Jagadeeshan, Shashidhar (2018) Introducing Steven Strogatz. At Right Angles, 7 (3). pp. 109-110. ISSN 2582-1873

Jagadeeshan, Shashidhar (2020) Introducing numberphile. At Right Angles. pp. 114-115. ISSN 2582-1873

Jagadeeshan, Shashidhar (2015) Review of "math! encounters with high school students" by serge lang. At Right Angles, 4 (3). pp. 99-103.

Jagadeeshan, Shashidhar (2013) Towards mathematical disposition notes from a small school supportive learning spaces. At Right Angles, 2 (1). pp. 24-29.

Jagadeeshan, Shashidhar (2022) The language God talks? a review. At Right Angles (12). pp. 97-101. ISSN 2582-1873

Jagadeeshan, Shashidhar (2016) The magical world of infinities. At Right Angles, 5 (1). pp. 15-20. ISSN 2582-1873

Jagadeeshan, Shashidhar (2016) The magical world of infinities. At Right Angles, 5 (2). pp. 17-23.

Jagadeeshan, Shashidhar (2017) A review of the cartoon guide to algebra and the cartoon guide to calculus. At Right Angles, 6 (2). pp. 106-112. ISSN 2582-1873

Jagadeeshan, Shashidhar (2012) The theorem of Pythagoras. At Right Angles, 1 (1). pp. 5-13.

Jagadeeshan, Shashidhar (2017) The story of maths : a brief review. At Right Angles, 6 (3). pp. 117-118.

Jagathapu, Kasi Rao (2018) Bisecting an angle using a ruler. At Right Angles, 7 (2). pp. 30-32. ISSN 2582-1873

Jha, Shreyan (2019) Explorations on triangles with integer sides. At Right Angles (5). pp. 41-42. ISSN 2582-1873

Joardar, Bodhideep (2019) Pythagorean triples and composition. At Right Angles. pp. 82-91. ISSN 2582-1873

Joardar, Bodhideep (2018) Solution of Ramanujan’s door number problem by using vargaprakriti. At Right Angles, 7 (1). pp. 56-57.

Joardar, Bodhideep (2017) A property of primitive Pythagorean triples. At Right Angles, 6 (2). pp. 67-68. ISSN 2582-1873

Joardar, Bodhideep (2017) An Approximation of π by using the law of cosines. At Right Angles, 6 (3). pp. 43-45.

Jonaki, Ghosh (2022) The Spaghetti Problem. At Right Angles (13). pp. 64-71. ISSN 2582-1873

Joshi, Kapil D (2018) Visual proof of the two-variable am-gm inequality. At Right Angles, 7 (1). pp. 54-55.

Joshi, Kapil D (2016) Triangle equalizers - a probabilistic approach, part 1. At Right Angles, 5 (1). pp. 21-25. ISSN 2582-1873

Joshi, Kapil D (2018) The power triangle. At Right Angles, 7 (1). pp. 33-37.

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K, Subramaniam (2016) Jill Adler – a South African mathematics education researcher. At Right Angles, 5 (2). pp. 5-10.

K., Baburajan (2021) Areas of triangles between two parallel lines with same base are equal : proof(?) by paper folding. At Right Angles. pp. 21-30. ISSN 2582-1873

K., Sasikumar (2021) A Problem in Elementary Number Theory. At Right Angles. pp. 66-67. ISSN 2582-1873

K., Sasikumar (2021) Solution to a functional equation. At Right Angles (10). pp. 97-98. ISSN 2582-1873

K., Sasikumar (2022) A Special Class of Strong Prime Numbers – Krishnan’s Primes. At Right Angles (13). pp. 49-50. ISSN 2582-1873

K., Sasikumar (2021) Trigonometric proof of Ptolemy’s theorem. At Right Angles. pp. 113-114. ISSN 2582-1873

Kalbhavi, Praneetha (2022) Solution to a 2018 Romanian mathematics olympiad problem. At Right Angles (12). pp. 80-81. ISSN 2582-1873

Kalbhavi, Praneetha (2021) Solution to a problem from the CMI entrance test 2020. At Right Angles. pp. 79-81. ISSN 2582-1873

Kalbhavi, Praneetha (2021) Solutions to Two Problems. At Right Angles (9). pp. 84-85. ISSN 2582-1873

Karmarkar, Bharat (2014) Explorations in teaching. At Right Angles, 3 (1). pp. 38-39.

Karmarkar, Bharat (2016) An exploration with surds. At Right Angles, 5 (1). pp. 59-61. ISSN 2582-1873

Katkar, Laxman N. (2019) Extensions of the theorem of Pythagoras. At Right Angles (5). pp. 11-16. ISSN 2582-1873

Kaushik, Satvik U. (2018) A note on Armstrong numbers. At Right Angles, 7 (3). pp. 37-42. ISSN 2582-1873

Kissane, Barry (2016) Introducing Differential Calculus on a Graphics Calculator. At Right Angles, 5 (2). pp. 68-76.

Kissane, Barry (2019) Taking a chance with a graphics calculator. At Right Angles. pp. 72-81. ISSN 2582-1873

Kissane, Barry (2022) The educational use of tables on advanced scientific calculators. At Right Angles (12). pp. 85-96. ISSN 2582-1873

Kleiner, Mark (2015) Edward Frenkel’s “Love & Math: the Heart of Hidden Reality” - a review. At Right Angles, 4 (1). pp. 66-69.

Kodur, Giri (2013) Slicing a cube - sum of cubes and square of a sum : understanding your identity. At Right Angles, 2 (1). pp. 11-15. ISSN 2582-1873

Kohli, U. (2020) The Mystical Number 2997 (Kohli’s Number). At Right Angles (8). pp. 35-36. ISSN 2582-1873

Korpal, Gaurish (2015) Say crease! folding paper in half miles please. At Right Angles, 4 (3). pp. 20-23.

Krishnamoorthy, Usha (2019) Data, perception and ignorance. At Right Angles (4). pp. 104-112. ISSN 2582-1873

Krishnaswamy, Rema and Biswas, Jishnu (2018) Beautiful, simple, exact, crazy. At Right Angles, 7 (1). pp. 124-127.

Kulkarni, Dheeraj (2013) Review of ‘Dimensions’. At Right Angles, 2 (2). pp. 71-74. ISSN 2582-1873

Kumar, Prabhat (2016) Rich Maths for Everyone: A Review of Jo Boaler’s Mathematical Mindsets. At Right Angles, 5 (2). pp. 94-98.

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Lingefjard, Thomas and Farahani, Djamshid (2017) Teaching concept of calculus. At Right Angles, 6 (3). pp. 76-80.

Lakshmi, R. Rohini (2016) An iteration on the prime factors of a number. At Right Angles, 5 (3). pp. 28-29. ISSN 2582-1873

Lingefjärd, Thomas (2013) Connections between geometry and number theory. At Right Angles, 2 (2). pp. 50-58. ISSN 2582-1873

Lingefjärd, Thomas (2015) Learning mathematics through geometrical inquiry. At Right Angles, 4 (1). pp. 50-55. ISSN 2582-1873

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M, Sundarraman (2022) Counting some more triangles. At Right Angles (12). pp. 82-84. ISSN 2582-1873

M., Srinivasan (2020) Introducing robocompass : a nifty tool for geometrical construction. At Right Angles (6). pp. 63-66. ISSN 2582-1873

Madhusudanan, Sundarraman (2016) Counting triangles. At Right Angles, 5 (3). pp. 24-27. ISSN 2582-1873

Magon, Ishaan and Reddy, Maya and Suresh, Rishabh and Jagadeeshan, Shashidhar (2016) The rascal triangle : a rascal full of surprises! At Right Angles, 5 (3). pp. 16-20. ISSN 2582-1873

Makobe, Moses (2022) Finding the base angles of a triangle. At Right Angles (12). pp. 67-69. ISSN 2582-1873

Mallik, A. K. (2020) A Note on Geometric Construction. At Right Angles (7). pp. 44-47. ISSN 2582-1873

Maneesha, Ampagouni Divya (2016) Integer-sided Triangles with perpendicular medians. At Right Angles, 5 (1). pp. 27-30. ISSN 2582-1873

Manjunath, Amrutha (2015) The methods of Archimedes. At Right Angles, 4 (3). pp. 7-15.

Math Space, (2022) Integers: Extending the Number line with Coloured Counters. At Right Angles (13). pp. 34-40. ISSN 2582-1873

Math Space, (2022) Manipulative Review: Geoboard. At Right Angles (13). pp. 75-78. ISSN 2582-1873

Mathematics Co-Development Group, APF (2021) Deciphering the Median Formula Part 1: From the Histogram. At Right Angles (9). pp. 37-42. ISSN 2582-1873

Mathematics Co-Development Group, APF (2021) Deciphering the median formula - part 2 : from the Ogives. At Right Angles. pp. 56-63. ISSN 2582-1873

Mathematics Co-Development Group, APF (2022) A ‘Mean’ Question. At Right Angles (13). pp. 43-48. ISSN 2582-1873

Metz, J. (2020) Age Digit Reversals. At Right Angles (8). pp. 15-16. ISSN 2582-1873

Metz, James (2019) On adding magic triangles. At Right Angles. pp. 57-58. ISSN 2582-1873

Metz, James (2021) The Tachymeter and the Hyperbola. At Right Angles. pp. 54-55. ISSN 2582-1873

Metz, James (2021) Winning Ways. At Right Angles. pp. 49-50. ISSN 2582-1873

Metz, James (2020) Working together. At Right Angles (7). pp. 1-5. ISSN 2582-1873

Metz, James (2022) The rascal triangle revisited. At Right Angles (12). pp. 60-61. ISSN 2582-1873

Miraj, Rahil (2020) Extension of an INMO Geometry Problem. At Right Angles (8). pp. 37-39. ISSN 2582-1873

Miraj, Rahil (2019) Finding the number of ordered tuples having a given LCM. At Right Angles. pp. 28-31. ISSN 2582-1873

Miraj, Rahil (2020) Pell's Equation. At Right Angles (7). pp. 72-74. ISSN 2582-1873

Miraj, Rahil (2019) Radii of in-circle and ex-circles of a right- angled triangle. At Right Angles (4). pp. 27-30. ISSN 2582-1873

Mishra, Kumar Gandharv (2019) Addendum to hill ciphers. At Right Angles. pp. 23-27. ISSN 2582-1873

Mishra, Kumar Gandharv (2021) A utilitarian math world : the tail that wags the dog. At Right Angles (9). pp. 17-22. ISSN 2582-1873

Mishra, P and Gaurav, B (2013) Introducing Ambigrams. At Right Angles, 2 (3).

Mishra, Punya (2013) The mathematical “i”. At Right Angles, 2 (1). pp. 68-69.

Mishra, Punya and Bhatnagar, Gaurav (2014) Introducing symmetry. At Right Angles, 3 (1). pp. 25-30. ISSN 2582-1873

Mishra, Punya and Bhatnagar, Gaurav (2013) Of Art & math : introducing ambigrams. At Right Angles, 2 (3). pp. 28-33. ISSN 2582-1873

Mishra, Punya and Bhatnagar, Gaurav (2015) Of Art and mathematics paradoxes : true AND/OR false? At Right Angles, 4 (1). pp. 21-27. ISSN 2582-1873

Mishra, Punya and Bhatnagar, Gaurav (2015) Paradoxes: Part 2 of 2. At Right Angles, 4 (2). pp. 9-14.

Mohan, Devang S Ram (2013) Mathematical make-believe? mat(c)h made in Heaven. At Right Angles, 2 (2). pp. 26-31. ISSN 2582-1873

Monteiro, Vivek (2019) W.W. Sawyer - the universal math teacher. At Right Angles. pp. 18-22. ISSN 2582-1873

Mouli, Haran (2021) Summing V: a correction. At Right Angles (9). pp. 89-90. ISSN 2582-1873

Mouli, Haran (2022) Triangles and Pell’s equation. At Right Angles (12). pp. 123-124. ISSN 2582-1873

Mouli, Haran and Gandhi, Mahavir and Chavan, Sarth (2021) Rational ‘twin’ isosceles triangles. At Right Angles. pp. 115-119. ISSN 2582-1873

Mukhopadhyay, Utpal (2018) Ramanujan and some elementary mathematical problems. At Right Angles, 7 (1). pp. 13-21. ISSN 2582-1873

Mukhopadhyay, Utpal (2021) Some results concerning regular polygons. At Right Angles (9). pp. 79-83. ISSN 2582-1873

Mukunda, Kamala (2017) Knowing and teaching elementary mathematics. At Right Angles, 6 (1). pp. 80-84.

Mukunda, Kamala. (2012) Analyzing games of chance with math . . . fair game. At Right Angles, 1 (2). pp. 10-15. ISSN 2582-1873

Mukunda, Keerthi and Mukunda, Kamala (2021) Review of the Film Secrets of the Surface by George Csicsery, 2020. At Right Angles (9). pp. 96-98. ISSN 2582-1873

Mukunda, Keshav (2014) A natural history of information. At Right Angles, 3 (2). pp. 77-81. ISSN 2582-1873

Mukunda, N (2013) Book reviews. At Right Angles, 2 (3). pp. 66-74. ISSN 2582-1873

Murthy, M. Narasimha (2019) Brahmagupta’s theorem. At Right Angles (5). p. 27. ISSN 2582-1873

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Naik, Arun (2012) Pitfalls in …the method of induction : the perils of teaching by example. At Right Angles, 1 (2). pp. 48-51. ISSN 2582-1873

Nair, Vinay (2015) Algebracadabra magic squares ; with prime entries. At Right Angles, 4 (3). pp. 16-19.

Nair, Vinay (2019) Cutting a square into equal parts. At Right Angles. pp. 32-37. ISSN 2582-1873

Nair, Vinay (2017) Divisibility by primes. At Right Angles, 6 (2). pp. 63-66. ISSN 2582-1873

Nair, Vinay (2018) Fractional triplets. At Right Angles, 7 (1). pp. 83-86.

Nair, Vinay (2020) Trials with triangles. At Right Angles (6). pp. 19-22. ISSN 2582-1873

Nair, Vinay (2019) A mathematical pilgrimage : Ramanujan yatra. At Right Angles (5). pp. 5-10. ISSN 2582-1873

Nandi, Avipsha (2020) A Friendly Pair of Triangles. At Right Angles. pp. 79-85. ISSN 2582-1873

Nandi, Avipsha (2019) Orthocentre of a triangle and its distance from any point in the plane. At Right Angles (5). pp. 58-65. ISSN 2582-1873

Narasimhan, Keshav Lakshmi (2021) Extended version of riffle shuffles. At Right Angles (10). pp. 101-103. ISSN 2582-1873

Narasimhan, Keshav Lakshmi (2021) Mathematical investigations : restoring order through repeated riffle shuffles. At Right Angles (10). pp. 49-56. ISSN 2582-1873

Narasimhan, M. S. (2020) The mathematics of India by P.P. Divakaran. At Right Angles (6). pp. 77-81. ISSN 2582-1873

Nityananda, Rajaram (2014) Mathematics for the billion. Current Science, 107 (07). pp. 1087-1088. ISSN 0011-3891

Nityananda, Rajaram (2014) Singularities in a teacup: good mathematics from bad lenses. Resonance : Journal of Science Education, 19 (9). ISSN 0973-712X

Nityananda, Rajaram (2014) Vladimir Igorevich Arnold (1937–2010). Resonance: Journal of Science Education, 19 (9). pp. 779-783. ISSN 0973-712X

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Onkar, Venkatesh (2018) 1089 and all that : a journey into mathematics. At Right Angles, 7 (3). pp. 106-108. ISSN 2582-1873

Orlin, Ben (2013) A fight with Euclid. At Right Angles, 2 (3). pp. 9-13. ISSN 2582-1873

Oxman, Victor (2017) A proof without words. At Right Angles, 6 (2). p. 73. ISSN 2582-1873

Oxman, Victor and Stupel, Moshe (2020) An Angle Bisector in a Right Triangle. At Right Angles. p. 25. ISSN 2582-1873

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Padyala, Radhakrishnamurty (2020) Geometrical proof of an application of Ptolemy’s theorem. At Right Angles (6). pp. 43-44. ISSN 2582-1873

Padyala, Radhakrishnamurty (2021) An easy proof of Ptolemy’s theorem. At Right Angles. pp. 66-68. ISSN 2582-1873

Parthiv, Dedasaniya (2017) An investigation with triangles & circles. At Right Angles, 6 (2). pp. 69-72. ISSN 2582-1873

Patel, Tejash (2018) Using coordinate geometry to find the GCD and LCM of two numbers a & b. At Right Angles, 7 (1). pp. 58-59. ISSN 2582-1873

Patil, Swasti and Laxshmisha, Siddharth and Christino, Davin (2021) Exploring and connecting : inradius and factorisation. At Right Angles. pp. 73-78. ISSN 2582-1873

Patnaik, Rajkishore (2013) Numberphile. At Right Angles, 2 (1). p. 64.

Patni, Suketu (2022) Ellipses hidden in projectile motion. At Right Angles (12). pp. 74-79. ISSN 2582-1873

Patodi, Ankit (2021) Interpretation of divisibility rules. At Right Angles (9). pp. 23-28. ISSN 2582-1873

Pawar, Mangal and Kanhere, Aaloka (2021) Children’s algorithms and the mathematics behind them. At Right Angles (10). pp. 23-28. ISSN 2582-1873

Prakash, Anand (2020) Magic Squares Using Semi-Primes. At Right Angles. pp. 39-40. ISSN 2582-1873

Prakash, Anand (2022) Prime generating polynomials. At Right Angles (12). pp. 115-118. ISSN 2582-1873

Prakash, Anand (2021) A Problem concerning Prime Numbers. At Right Angles (9). pp. 68-71. ISSN 2582-1873

Prakash, Anand (2019) A modified pascal triangle. At Right Angles (5). pp. 37-40. ISSN 2582-1873

Prasad, Ashok (2020) Conversations on greatest common divisor. At Right Angles (6). pp. 30-34. ISSN 2582-1873

Prasad, Phoolan (2018) Mathematics olympiads in India. At Right Angles, 7 (3). pp. 85-91. ISSN 2582-1873

Purkait, Soham (2020) A Property of the Modulo Operation in Number Theory. At Right Angles (7). ISSN 2582-1873

Purkait, Soham (2021) A relation between polynomial and exponential functions. At Right Angles. pp. 84-86. ISSN 2582-1873

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R, ATHMARAMAN (2016) Problems for the Middle School. At Right Angles, 5 (2). pp. 81-84.

R, Haragopal (2017) G-numbers. At Right Angles, 6 (3). pp. 59-63.

R, Mohan (2019) Book review of W.W. Sawyer’s Mathematician’s delight. At Right Angles. pp. 106-109. ISSN 2582-1873

R, Ramanujam (2020) The mathematical artist of play: a tribute to john horton conway 26 december 1937 – 11 april 2020. At Right Angles (7). 8 -15. ISSN 2582-1873

R, Ramanujam (2020) A tribute to john horton conway’ – glossary of terms. At Right Angles (7). pp. 1-5. ISSN 2582-1873

R., Athmaraman (2016) Problems for the middle school. At Right Angles, 5 (1). pp. 85-87. ISSN 2582-1873

R., Athmaraman (2015) Problems for the middle school. At Right Angles, 4 (1). pp. 59-61.

R., Athmaraman (2015) Problems for the middle school. At Right Angles, 4 (2). pp. 59-61.

R., Haragopal (2019) ‘CuRe’ triplets. At Right Angles (4). pp. 45-47. ISSN 2582-1873

R., Haragopal (2020) Hara’s triangle and triple. At Right Angles (6). pp. 23-25. ISSN 2582-1873

R., Ramanujam (2022) Computational Thinking: The New Buzz. At Right Angles (13). pp. 23-31. ISSN 2582-1873

R., Ramanujam (2013) Paul Erdos-The artist of problem-posing : notes from a small suitcase. At Right Angles, 2 (2). pp. 5-10. ISSN 2582-1873

RVS, Rajagopalan (2018) Triangle inequality - a curious counting result. At Right Angles, 7 (2). pp. 39-41. ISSN 2582-1873

Radhu, Jaleel (2019) A challenging geometric construction problem. At Right Angles (5). pp. 81-82. ISSN 2582-1873

Raghunath, Sabitha and Bhansali, Sneha (2019) π enters the 5th class. At Right Angles (4). pp. 33-37. ISSN 2582-1873

Rajagopalan, A.S. (2020) Bisecting the Perimeter of a Triangle using Ruler and Compass. At Right Angles (8). pp. 70-72. ISSN 2582-1873

Rajagopalan, A.S. (2022) Fun with equivalent fractions. At Right Angles (12). pp. 48-49. ISSN 2582-1873

Rajesh, Adithya (2022) Galaxy of Unit Fractions with Tom and Jerry. At Right Angles (13). pp. 54-57. ISSN 2582-1873

Rajesh, Adithya (2019) Two striking number patterns. At Right Angles. pp. 54-56. ISSN 2582-1873

Rajesh, Sadagopan (2013) I dare to find a proof : area of a cyclic quadrilateral, Brahmagupta’s theorem. At Right Angles, 2 (2). pp. 11-14. ISSN 2582-1873

Rakshitha, and P. N., Subrahmanya (2021) A geometry problem from the Putnam 2019 competition. At Right Angles. pp. 102-104. ISSN 2582-1873

Ramachadran, A (2013) The Gregorian calendar. At Right Angles, 2 (3). pp. 1-3. ISSN 2582-1873

Ramachandran, A (2014) From magic squares to magic carpets. At Right Angles, 3 (2). pp. 31-33.

Ramachandran, A (2014) A puzzle leading to some interesting mathematics. At Right Angles, 3 (1). pp. 36-37.

Ramachandran, A. (2015) Angle bisectors in a quardilateral. At Right Angles, 4 (1). pp. 33-35.

Ramachandran, A. (2021) Bachet’s problem. At Right Angles. pp. 64-65. ISSN 2582-1873

Ramachandran, A. (2017) Congruency and constructibility in triangles. At Right Angles, 6 (1). pp. 50-52. ISSN 2582-1873

Ramachandran, A. (2019) DIY problems for the middle school. At Right Angles (4). pp. 84-86. ISSN 2582-1873

Ramachandran, A. (2019) Generalising the divisibility tests of 9 and 11. At Right Angles (5). pp. 32-33. ISSN 2582-1873

Ramachandran, A. (2013) Geometric solution to the 120 degree problem. At Right Angles, 2 (3). p. 1. ISSN 2582-1873

Ramachandran, A. (2018) Mapping triangle shapes. At Right Angles, 7 (2). pp. 67-71. ISSN 2582-1873

Ramachandran, A. (2021) Middle School Problems on Polygons. At Right Angles (9). pp. 72-75. ISSN 2582-1873

Ramachandran, A. (2016) Middle school mathematics : some reflections. At Right Angles, 5 (3). pp. 39-41. ISSN 2582-1873

Ramachandran, A. (2018) Middle school problems understanding circular motion. At Right Angles, 7 (2). pp. 117-120. ISSN 2582-1873

Ramachandran, A. (2019) Middle school problems on averages. At Right Angles (5). pp. 74-76. ISSN 2582-1873

Ramachandran, A. (2021) Middle school problems on the weighted average. At Right Angles (10). pp. 62-63. ISSN 2582-1873

Ramachandran, A. (2020) Middle school problems requiring exhaustive search. At Right Angles (6). pp. 67-68. ISSN 2582-1873

Ramachandran, A. (2021) Middle school problems-theme: number of digits. At Right Angles. pp. 69-70. ISSN 2582-1873

Ramachandran, A. (2020) Miscellaneous problems for the Middle School. At Right Angles (8). pp. 63-65. ISSN 2582-1873

Ramachandran, A. (2020) Problems for the middle school. At Right Angles. pp. 93-95. ISSN 2582-1873

Ramachandran, A. (2019) Problems for the middle school. At Right Angles. pp. 100-105. ISSN 2582-1873

Ramachandran, A. (2018) Problems for the middle school problems related to divisibility. At Right Angles, 7 (3). pp. 69-73. ISSN 2582-1873

Ramachandran, A. (2020) Relations among lengths and angles in general parallelograms. At Right Angles (7). pp. 53-57. ISSN 2582-1873

Ramachandran, A. (2022) Six problems on area and perimeter. At Right Angles (12). pp. 50-53. ISSN 2582-1873

Ramachandran, A. (2020) Solutions to search problems. At Right Angles (6). pp. 75-76. ISSN 2582-1873

Ramachandran, A. (2018) Some down-to-earth trigonometry. At Right Angles, 7 (3). pp. 53-58. ISSN 2582-1873

Ramachandran, A. (2020) Triangle centres : barycentric coordinates. At Right Angles (6). pp. 52-56. ISSN 2582-1873

Ramachandran, A. (2016) Triangle centres and homogeneous coordinates, Part I - trilinear Coordinates. At Right Angles, 5 (1). pp. 40-43. ISSN 2582-1873

Ramachandran, A. (2015) Triangle centres in an isosceles triangle. At Right Angles, 4 (3). pp. 30-34.

Ramachandran, A. (2013) Triangles with sides in a progression. At Right Angles, 2 (1). pp. 39-40.

Ramachandran, A. (2012) The four-gon family tree. At Right Angles, 1 (1). pp. 53-57.

Ramachandran, A. (2019) The truncated icosahedron : an iconic 3-D shape. At Right Angles. pp. 69-71. ISSN 2582-1873

Ramachandran, A. (2020) A word and an idea. At Right Angles (6). p. 42. ISSN 2582-1873

Ramachandran, A. (2019) A path to π. At Right Angles. pp. 31-32. ISSN 2582-1873

Ramalingam, Ramya (2017) Tying it up … knot theory … without loose ends. At Right Angles, 6 (1). pp. 5-13. ISSN 2582-1873

Ramanujam, R (2017) Review of G H Hardy’s a mathematician's apology. At Right Angles, 6 (3). pp. 112-116.

Ramanujam, R (2015) Review of “The crest of the Peacock: Non-European roots of mathematics”. At Right Angles, 4 (2). pp. 64-68. ISSN 2582-1873

Ramanujam, R. (2014) Review of Kim Plofker’s mathematics in India. At Right Angles, 3 (3). pp. 82-88.

Ramesh, Sreekantan (2013) Yitang Zhang and the twin primes conjecture. At Right Angles, 2 (3). pp. 14-17. ISSN 2582-1873

Ramprashanth, V. (2017) Tonic ambiguity. At Right Angles, 6 (3). pp. 22-26.

Ramya, P. S. (2017) Knot theory addendum. At Right Angles, 6 (1). p. 14. ISSN 2582-1873

Rane, Ujjawal (2021) A property of the centroid of a triangle. At Right Angles (10). pp. 60-61. ISSN 2582-1873

Rane, Ujjwal (2017) Fagnano's problem : a geometric solution. At Right Angles, 6 (1). pp. 21-24.

Rane, Ujjawal (2017) Fagnano’s theorem: alternative proof. At Right Angles, 6 (3). pp. 50-52. ISSN 2582-1873

Roy, Biplab (2022) On a method for solving cubic equations. At Right Angles (12). pp. 58-59. ISSN 2582-1873

Rudra, Sanjib (2018) Alternative solution to ‘a triangle problem’. At Right Angles, 7 (2). pp. 121-122. ISSN 2582-1873

S

S, Jayasree (2021) Quantifying steepness – a reflection. At Right Angles. pp. 31-37. ISSN 2582-1873

SHIRALI, SHAILESH A. (2015) How to prove it. At Right Angles, 4 (1).

Sadagopan, Rajesh (2021) My Square is your Triangle! – The king said to Pascal. At Right Angles. pp. 38-43. ISSN 2582-1873

Saha, Suhas (2017) Teaching the ternary base using a card trick. At Right Angles, 6 (2). pp. 22-29. ISSN 2582-1873

Sanapala, Seetha Rama Raju (2018) Why does Euclid’s GCD algorithm work? At Right Angles, 7 (1). pp. 60-61. ISSN 2582-1873

Sastri, Sivasankara (2012) Paper folding and the theorem of Pythagoras. At Right Angles, 1 (1). pp. 48-52.

Sathvik, Haren (2018) Arc - centre theorem. At Right Angles, 7 (3). pp. 34-36. ISSN 2582-1873

Satya, Gowri and , Ashwin and , Shravan and , Shivkumar (2022) Maths from simple grids. At Right Angles (12). pp. 29-34. ISSN 2582-1873

Sethuraman, B A (2013) Fermat numbers. At Right Angles, 2 (3). pp. 19-23. ISSN 2582-1873

Sett, K. (2020) A Very Special Congruency Problem. At Right Angles (8). pp. 73-76. ISSN 2582-1873

Sett, Kousik (2021) A problem related to an equilateral triangle. At Right Angles (10). pp. 86-92. ISSN 2582-1873

Shah, Druhan and Rakshitha, R (2020) Study of an Inequality Problem from an Olympiad - Part 1. At Right Angles (7). pp. 75-78. ISSN 2582-1873

Shah, Kian (2022) Problem 61 from KVPY 2016. At Right Angles (13). pp. 62-63. ISSN 2582-1873

Shah, Tanuj (2012) Three centuries of brain racking discovery xn + yn =zn ? At Right Angles, 1 (1). pp. 61-63. ISSN 2582-1873

Shah, Tanuj (2016) A diagonal investigation. At Right Angles, 5 (2). pp. 38-41.

Shah, Tanuj (2013) A fascination for counting. At Right Angles, 2 (2). pp. 47-49. ISSN 2582-1873

Shah, Tanuj (2016) A review of taming the infinite. At Right Angles, 5 (1). ISSN 2582-1873

Shaikh, Majid (2015) Divisibility tests by powers of 2. At Right Angles, 4 (2). pp. 20-23.

Shailesh, Shirali (2014) Harmonic triples. At Right Angles, 3 (1). pp. 20-24.

Sharili, Shailesh (2017) How to prove it. At Right Angles, 6 (3). pp. 40-42.

Sharma, Rajat (2020) Book review: A Focus on fractions – bringing research to the classroom. At Right Angles. pp. 106-110. ISSN 2582-1873

Sharma, Shailaja D (2018) Visual method for fraction multiplication. At Right Angles, 7 (2). pp. 55-58. ISSN 2582-1873

Shavit, Eyal N. (2020) Deriving the Golden Ratio using a Scientific Calculator. At Right Angles (8). pp. 47-52. ISSN 2582-1873

Shirali, Padmapriya (2020) Angles. At Right Angles (6). pp. 1-16. ISSN 2582-1873

Shirali, Padmapriya (2018) Approaches to equation. At Right Angles, 7 (3). pp. 1-16. ISSN 2582-1873

Shirali, Padmapriya (2021) Coordinates. At Right Angles. pp. 1-12. ISSN 2582-1873

Shirali, Padmapriya (2014) Division : a visual approach. At Right Angles, 3 (2). pp. 1-15. ISSN 2582-1873

Shirali, Padmapriya (2021) Estimation in mathematics. At Right Angles (10). pp. 1-12. ISSN 2582-1873

Shirali, Padmapriya (2013) Exploration of Recurring Decimals. At Right Angles, 2 (3). pp. 49-52. ISSN 2582-1873

Shirali, Padmapriya (2020) Finding mathematics, playing mathematics experiencing mathematics. At Right Angles (8). pp. 83-86. ISSN 2582-1873

Shirali, Padmapriya (2012) Fraction: a paper folding approach. At Right Angles, 1 (1). pp. 80-86.

Shirali, Padmapriya (2018) Introduction to algebra. At Right Angles, 7 (1). pp. 1-11. ISSN 2582-1873

Shirali, Padmapriya (2019) Introduction to algebra - IV. At Right Angles. pp. 1-12. ISSN 2582-1873

Shirali, Padmapriya (2018) Introduction to algebra-II. At Right Angles, 7 (2). pp. 1-12. ISSN 2582-1873

Shirali, Padmapriya (2022) Number bases (Pullout-Mar). At Right Angles (12). ISSN 2582-1873

Shirali, Padmapriya (2013) Number operations : addition, a practical approach. At Right Angles, 2 (2). ISSN 2582-1873

Shirali, Padmapriya (2020) Parallel Lines. At Right Angles (7). pp. 8-15. ISSN 2582-1873

Shirali, Padmapriya (2019) Percentages. At Right Angles (5). pp. 1-12. ISSN 2582-1873

Shirali, Padmapriya (2013) Place value : a paper kit approach. At Right Angles, 2 (1). pp. 1-12.

Shirali, Padmapriya (2020) Quadrilaterals. At Right Angles (8). pp. 1-12. ISSN 2582-1873

Shirali, Padmapriya (2019) Ratio. At Right Angles (4). ISSN 2582-1873

Shirali, Padmapriya (2022) Spatial thinking with 3-D objects. At Right Angles (13). ISSN 2582-1873

Shirali, Padmapriya (2017) Teaching Time. At Right Angles, 6 (1). pp. 1-16.

Shirali, Padmapriya (2016) Teaching data handling. At Right Angles, 5 (3). pp. 1-16. ISSN 2582-1873

Shirali, Padmapriya (2012) Teaching decimal fractions - a paper kit approach. At Right Angles, 1 (2). pp. 1-7. ISSN 2582-1873

Shirali, Padmapriya (2014) Teaching geometry at the primary level. At Right Angles, 3 (3). pp. 1-12. ISSN 2582-1873

Shirali, Padmapriya (2015) Teaching geometry-II. At Right Angles, 4 (1). pp. 1-16. ISSN 2582-1873

Shirali, Padmapriya (2017) Teaching integers. At Right Angles, 6 (3). pp. 1-16. ISSN 2582-1873

Shirali, Padmapriya (2015) Teaching measurement. At Right Angles, 4 (2). pp. 1-12.

Shirali, Padmapriya (2014) Teaching multiplication : a visual approach. At Right Angles, 3 (1). pp. 1-16. ISSN 2582-1873

Shirali, Padmapriya (2013) Teaching subtraction. At Right Angles, 2 (3). pp. 1-16. ISSN 2582-1873

Shirali, Padmapriya (2015) Teaching thinking skills. At Right Angles, 4 (3). pp. 1-12.

Shirali, Padmapriya (2016) Teaching word problems : a practical approach. At Right Angles, 5 (1). pp. 1-20. ISSN 2582-1873

Shirali, Padmapriya (2021) Triangles. At Right Angles (9). pp. 1-16. ISSN 2582-1873

Shirali, Padmapriya (2017) The secret world of large numbers. At Right Angles, 6 (2). pp. 2-11. ISSN 2582-1873

Shirali, Shailesh (2015) 1,5,3 and so on and on and on …. At Right Angles, 4 (2). pp. 24-25.

Shirali, Shailesh (2016) 3, 4, 5... and other memorable triples-part III. At Right Angles, 5 (1). pp. 32-39. ISSN 2582-1873

Shirali, Shailesh (2015) 3, 4, 5...and other memorable triples – Part II. At Right Angles, 4 (3). pp. 11-15. ISSN 2582-1873

Shirali, Shailesh (2015) 3,4,5...And other memorable triples – Part I. At Right Angles, 4 (2). pp. 15-19.

Shirali, Shailesh (2019) Addendum to theorem concerning - a magic triangle. At Right Angles. pp. 51-53. ISSN 2582-1873

Shirali, Shailesh (2022) Addendum to “Six Problems on Area and Perimeter’’. At Right Angles (12). pp. 54-57. ISSN 2582-1873

Shirali, Shailesh (2021) Addendum to “lessons from proofs. At Right Angles (10). p. 35. ISSN 2582-1873

Shirali, Shailesh (2017) Adventures in problem solving. At Right Angles, 6 (3). pp. 108-111.

Shirali, Shailesh (2018) Adventures in problem solving. At Right Angles, 7 (3). pp. 79-84. ISSN 2582-1873

Shirali, Shailesh (2019) Adventures in problem solving. At Right Angles (4). pp. 96-101. ISSN 2582-1873

Shirali, Shailesh (2020) Adventures in problem solving. At Right Angles (6). pp. 72-74. ISSN 2582-1873

Shirali, Shailesh (2019) Adventures in problem solving. At Right Angles. pp. 92-96. ISSN 2582-1873

Shirali, Shailesh (2018) Adventures in problem solving : a problem about divisors. At Right Angles, 7 (2). pp. 130-132.

Shirali, Shailesh (2017) Adventures in problem-solving : a math olympiad problem... and a few cousins. At Right Angles, 6 (2). pp. 101-105.

Shirali, Shailesh (2018) Adventures in problem-solving miscellaneous problems from the RMOs. At Right Angles, 7 (1). pp. 112-116.

Shirali, Shailesh (2022) Analysis of the angle trisection procedure. At Right Angles (12). pp. 110-114. ISSN 2582-1873

Shirali, Shailesh (2016) And other memorable triples. At Right Angles, 5 (2). pp. 27-33.

Shirali, Shailesh (2016) Approximate constructions of certain angles. At Right Angles, 5 (3). pp. 49-52. ISSN 2582-1873

Shirali, Shailesh (2018) Arsalan’s amazing area problems. At Right Angles, 7 (3). pp. 92-100. ISSN 2582-1873

Shirali, Shailesh (2016) Complex Napoleon's theorem made simple - part 1. At Right Angles, 5 (3). pp. 5-11. ISSN 2582-1873

Shirali, Shailesh (2017) Complex Napoleon's theorem made simple - part 2. At Right Angles, 6 (3). pp. 28-30. ISSN 2582-1873

Shirali, Shailesh (2014) Equalizers of a triangle. At Right Angles, 3 (2). pp. 14-17. ISSN 2582-1873

Shirali, Shailesh (2020) Euler’s inequality for the circumradius and inradius of a triangle. At Right Angles (6). pp. 58-62. ISSN 2582-1873

Shirali, Shailesh (2018) Extending the definitions of GCD and LCM to fractions. At Right Angles, 7 (2). pp. 33-38. ISSN 2582-1873

Shirali, Shailesh (2017) Fagnano's problem Addendum. At Right Angles, 6 (1). pp. 25-28.

Shirali, Shailesh (2015) Generalization and specialization - the strange Case of the Pythagorean theorem. At Right Angles, 4 (1). pp. 28-32. ISSN 2582-1873

Shirali, Shailesh (2018) Geometric proof of a trigonometric identity. At Right Angles, 7 (3). p. 47. ISSN 2582-1873

Shirali, Shailesh (2017) Harmonic triangular triples. At Right Angles, 6 (3). pp. 89-95.

Shirali, Shailesh (2020) How To Prove It. At Right Angles (7). pp. 48-52. ISSN 2582-1873

Shirali, Shailesh (2021) How To Prove It. At Right Angles (9). pp. 43-48. ISSN 2582-1873

Shirali, Shailesh (2015) How do we explain their success? understanding the formulas. At Right Angles, 4 (1). pp. 16-20. ISSN 2582-1873

Shirali, Shailesh (2015) How to prove it. At Right Angles, 4 (1). pp. 36-39. ISSN 2582-1873

Shirali, Shailesh (2016) How to prove it. At Right Angles, 5 (1). pp. 54-58. ISSN 2582-1873

Shirali, Shailesh (2012) How to generate Pythagorean triples - 1. At Right Angles, 1 (1). pp. 29-32.

Shirali, Shailesh (2013) How to prove It. At Right Angles, 2 (3). pp. 37-40. ISSN 2582-1873

Shirali, Shailesh (2015) How to prove It. At Right Angles, 4 (2). pp. 44-47.

Shirali, Shailesh (2014) How to prove it. At Right Angles, 3 (2). pp. 54-58.

Shirali, Shailesh (2018) How to prove it. At Right Angles, 7 (1). pp. 87-90. ISSN 2582-1873

Shirali, Shailesh (2017) How to prove it. At Right Angles, 6 (1). pp. 59-63. ISSN 2582-1873

Shirali, Shailesh (2018) How to prove it. At Right Angles, 7 (2). pp. 95-100. ISSN 2582-1873

Shirali, Shailesh (2019) How to prove it. At Right Angles (4). pp. 70-76. ISSN 2582-1873

Shirali, Shailesh (2019) How to prove it. At Right Angles (5). pp. 51-57. ISSN 2582-1873

Shirali, Shailesh (2014) How to prove it. At Right Angles, 3 (1). pp. 54-57. ISSN 2582-1873

Shirali, Shailesh (2015) How to prove it. At Right Angles, 4 (3). pp. 50-55. ISSN 2582-1873

Shirali, Shailesh (2016) How to prove it. At Right Angles, 5 (3). pp. 53-57. ISSN 2582-1873

Shirali, Shailesh (2018) Inequalities in algebra and geometry. At Right Angles, 7 (1). pp. 75-79.

Shirali, Shailesh (2017) Inequalities in algebra and geometry. At Right Angles, 6 (1). pp. 53-58.

Shirali, Shailesh (2017) Inequalities in algebra and geometry. At Right Angles, 6 (3). pp. 67-72.

Shirali, Shailesh (2017) Inequalities in algebra and geometry part 2. At Right Angles, 6 (2). pp. 38-47.

Shirali, Shailesh (2021) Kohli’s number 2997. At Right Angles (9). pp. 112-114. ISSN 2582-1873

Shirali, Shailesh (2019) Lattice point geometry, part-I. At Right Angles. pp. 5-10. ISSN 2582-1873

Shirali, Shailesh (2018) On divisibility by 27. At Right Angles, 7 (1). pp. 62-65.

Shirali, Shailesh (2013) One equation . . . many connects harmonic triples. At Right Angles, 2 (1). pp. 20-23.

Shirali, Shailesh (2022) The Opening Bracket . . . Learning how to think. At Right Angles (13). ISSN 2582-1873

Shirali, Shailesh (2013) PHTs …primitive and beautiful harmonic triples, part–2. At Right Angles, 2 (2). pp. 20-24. ISSN 2582-1873

Shirali, Shailesh (2019) PPT explorations. At Right Angles. pp. 59-60. ISSN 2582-1873

Shirali, Shailesh (2020) Pretty power play. At Right Angles (6). pp. 45-47. ISSN 2582-1873

Shirali, Shailesh (2012) Proof without words. At Right Angles, 1 (1). pp. 14-16. ISSN 2582-1873

Shirali, Shailesh (2017) Quadrilaterals with perpendicular diagonals. At Right Angles, 6 (2). pp. 30-37.

Shirali, Shailesh (2018) Stirling set numbers & powers of integers. At Right Angles, 71 (1). pp. 26-32.

Shirali, Shailesh (2020) Sums of cubes. At Right Angles (6). pp. 10-14. ISSN 2582-1873

Shirali, Shailesh (2018) Theorem concerning a magic triangle. At Right Angles, 7 (2). pp. 86-90. ISSN 2582-1873

Shirali, Shailesh (2015) Theorems on magic squares. At Right Angles, 4 (3). pp. 43-47. ISSN 2582-1873

Shirali, Shailesh (2022) Triangles with one angle twice another. At Right Angles (12). pp. 62-66. ISSN 2582-1873

Shirali, Shailesh (2020) What can we construct? – part 1. At Right Angles (7). pp. 8-18. ISSN 2582-1873

Shirali, Shailesh (2015) When does it have maximum area? At Right Angles, 4 (2). pp. 53-54.

Shirali, Shailesh (2016) An astonishing property of third-order magic squares. At Right Angles, 5 (1). pp. 50-53. ISSN 2582-1873

Shirali, Shailesh (2013) The closing bracket . . At Right Angles, 2 (3). ISSN 2582-1873

Shirali, Shailesh (2012) The closing bracket ... At Right Angles, 1 (2). p. 1.

Shirali, Shailesh (2020) The closing bracket : a tale of two viruses. At Right Angles (6). p. 82. ISSN 2582-1873

Shirali, Shailesh (2015) The closing bracket. At Right Angles, 4 (1).

Shirali, Shailesh (2019) The constants of mathematics - part IV : yet more on the remarkable number e. At Right Angles (4). pp. 10-18. ISSN 2582-1873

Shirali, Shailesh (2019) The constants of mathematics : More on the remarkable number e, part 3. At Right Angles. pp. 11-17. ISSN 2582-1873

Shirali, Shailesh (2018) The constants of mathematics – part II : the remarkable number e. At Right Angles, 7 (3). pp. 15-22. ISSN 2582-1873

Shirali, Shailesh (2018) The constants of mathematics. At Right Angles, 7 (2). pp. 19-27. ISSN 2582-1873

Shirali, Shailesh (2019) A counter-intuitive Pythagorean surprise. At Right Angles (4). pp. 19-21. ISSN 2582-1873

Shirali, Shailesh (2017) The exponential series: an addendum. At Right Angles, 6 (3). pp. 14-21.

Shirali, Shailesh (2019) A triangle area problem. At Right Angles (4). pp. 93-95. ISSN 2582-1873

Shirali, Shailesh and Athmaraman, R. (2012) Fun Problems : problems for the middle school, problems for the senior school. At Right Angles, 1 (1). pp. 67-75. ISSN 2582-1873

Shirali, Shailesh and De, Prithwijit (2015) Problem for the senior schools. At Right Angles, 4 (1). pp. 62-63. ISSN 2582-1873

Shirali, Shailesh and De, Prithwijit (2015) Problems for the senior school. At Right Angles, 4 (2). pp. 62-63.

Shirali, Shailesh and De, Prithwijit (2015) The problem for the senior schools. At Right Angles, 4 (3). pp. 93-94.

Shirali, Shailesh and Shirali, Padmapriya (2014) Exploration of recurring decimals:Some explanations. At Right Angles, 3 (1). pp. 40-48.

Shirali, Shailesh A (2016) How to prove it. At Right Angles, 5 (2). 58 -62.

Shirali, Shailesh A. (2012) The fine art of euclidean geometry Viviani’s theorem . . . and a cousin. At Right Angles, 1 (2). pp. 23-26.

Shukla, Ankit (2021) How long, how high, how wide. At Right Angles (10). pp. 36-41. ISSN 2582-1873

Sinclair, Parvin (2022) Rethinking Mathematics: Teaching Social Justice by the Numbers. At Right Angles (13). pp. 72-74. ISSN 2582-1873

Singh, Pooja Keshavan (2016) Dyscalculia: a little known learning disability. At Right Angles, 5 (3). pp. 42-45. ISSN 2582-1873

Sircar, Swati (2020) Definitions changing through time: With a closer look at isosceles trapeziums. At Right Angles (8). pp. 25-28. ISSN 2582-1873

Sircar, Swati (2019) Exploring properties of addition and multiplication with integers. At Right Angles (4). pp. 59-65. ISSN 2582-1873

Sircar, Swati (2018) Exploring properties of addition with whole numbers and fractions. At Right Angles, 7 (2). pp. 51-54.

Sircar, Swati (2019) Impossible triangle on rectangular dot sheet - another proof. At Right Angles (3). p. 110. ISSN 2582-1873

Sircar, Swati (2020) Impossible triangles on dot sheets. At Right Angles (6). ISSN 2582-1873

Sircar, Swati (2014) Letter to the editor. At Right Angles, 3 (1). p. 78. ISSN 2582-1873

Sircar, Swati (2019) Low floor high ceiling tasks : in-cyclic quads. At Right Angles (5). pp. 47-50. ISSN 2582-1873

Sircar, Swati (2018) Mini Review: Weird number. At Right Angles, 7 (1). p. 123.

Sircar, Swati (2021) Mini review : Bayes' theorem and independence by 3Blue1Brown. At Right Angles. pp. 101-103. ISSN 2582-1873

Sircar, Swati (2015) Of paper folding, geogebra and conics. At Right Angles, 4 (2). pp. 48-52.

Sircar, Swati (2015) Of paper-folding, geogebra and conics – Part II. At Right Angles, 4 (3). pp. 72-83.

Sircar, Swati (2019) Properties of multiplication. At Right Angles. ISSN 2582-1873

Sircar, Swati (2021) Review: Ganitmala. At Right Angles (9). pp. 99-101. ISSN 2582-1873

Sircar, Swati (2020) Rewriting math textbooks. Teacher Plus, 18 (5). pp. 68-71. ISSN 0973-778

Sircar, Swati (2021) Sketches and views: Mapping 3D to 2D and vice versa. At Right Angles. pp. 55-58. ISSN 2582-1873

Sircar, Swati (2018) Tear out : fun with dot sheets. At Right Angles, 7 (3). pp. 43-46. ISSN 2582-1873

Sircar, Swati (2019) Tearout : fun with dot sheets. At Right Angles (4). pp. 55-58. ISSN 2582-1873

Sircar, Swati (2019) Tearout : isometric sketches and more. At Right Angles (5). pp. 43-46. ISSN 2582-1873

Sircar, Swati (2015) Thoughts on the division operation. At Right Angles, 4 (2). pp. 36-39.

Sircar, Swati (2014) Un-folding. At Right Angles, 3 (2). pp. 42-48.

Sircar, Swati and Anupama, S.M. (2020) Developing Textbooks for Primary Mathematics. At Right Angles (8). pp. 81-82. ISSN 2582-1873

Sircar, Swati and Titus, Sneha (2015) Investigations with Pentominoes. At Right Angles, 4 (1). pp. 40-49. ISSN 2582-1873

Sircar, Swati and Titus, Sneha (2015) Investigations with Pentominoes. At Right Angles, 4 (1). pp. 40-49.

Sircar, Swati and Titus, Sneha (2019) Joining the dots... At Right Angles (4). pp. 48-53. ISSN 2582-1873

Sircar, Swati and Titus, Sneha (2015) Keeping things in proportion. At Right Angles, 4 (2). pp. 30-35.

Sircar, Swati and Titus, Sneha (2018) Low floor high ceiling : four-telling quadrilaterals. At Right Angles, 7 (2). pp. 42-50. ISSN 2582-1873

Sircar, Swati and Titus, Sneha (2016) Low floor high ceiling tasks - circle time. At Right Angles, 5 (3). pp. 30-38. ISSN 2582-1873

Sircar, Swati and Titus, Sneha (2018) Low floor high ceiling tasks here we go round… newer and newer spirals -open and shut cases. At Right Angles, 7 (1). pp. 66-71.

Sircar, Swati and Titus, Sneha (2017) Low floor high ceiling tasks sums of consecutive natural numbers. At Right Angles, 6 (2). pp. 57-62.

Sircar, Swati and Titus, Sneha (2016) Low floor high ceiling tasks try-angles! At Right Angles, 5 (1). pp. 63-67. ISSN 2582-1873

Sivaraman, R. (2021) Tremendous tree. At Right Angles (10). pp. 17-22. ISSN 2582-1873

Sreedevi, Sindhu and Banrejee, Joyita and Titus, Sneha (2013) Teacher’s diary on classroom assessment. At Right Angles, 2 (3). pp. 41-45. ISSN 2582-1873

Sreedevi, Sindhu and Titus, Sneha (2014) Teacher’s diary on classroom assessment – II. At Right Angles, 3 (1). pp. 44-48. ISSN 2582-1873

Sreekantan, Ramesh (2016) A review of ‘my search for Ramanujan: how I learned to count’. At Right Angles, 5 (3). pp. 91-94. ISSN 2582-1873

Stupel, Moshe and Oxman, Victor (2018) An easy construction for the harmonic mean. At Right Angles, 7 (1). pp. 52-53. ISSN 2582-1873

Stupel, Moshe and Siegler, Dr. Avi (2017) Three elegant proofs of mathematical properties. At Right Angles, 6 (2). pp. 48-53.

Subramaniam, K. (2013) Pólya to the rescue: When you don’t know the solution to a problem. At Right Angles, 2 (1). pp. 60-63.

Subramaniam, K. (2018) The conjoining error in school algebra. At Right Angles, 7 (1). pp. 44-47.

Suraiya Khan, Rida (2022) The Painter’s Paradox comparative analysis of Gabriel’s Horn and triangular pipe with Koch’s Fractal shaped cross section. At Right Angles (12). pp. 119-122. ISSN 2582-1873

Suresh, Dakshayini (2015) Review of "the sand reckoner" by gillian bradshaw. At Right Angles, 4 (3). pp. 95-99.

Sury, B (2013) Harmonic sequence and pascal’s triangle. At Right Angles, 2 (3). pp. 1-4.

Sury, B (2013) Set theory revisited : as easy as PIE principle of inclusion and exclusion, part 2. At Right Angles, 2 (2). pp. 15-19. ISSN 2582-1873

Swain, Mayadhar (2021) Two famous series for pi. At Right Angles (10). pp. 81-83. ISSN 2582-1873

shirali, Padmapriya (2016) Teaching area and perimeter. At Right Angles, 5 (2). pp. 1-16.

T

TIKEKAR, V.G. (2014) There are infinitely many primes. At Right Angles, 3 (1). pp. 15-19. ISSN 2582-1873

Takker, Shikha (2019) Understanding learners’ thinking through an analysis of errors. At Right Angles (4). pp. 38-44. ISSN 2582-1873

Tambade, Atharv (2022) Searching for Pythagorean Quadruples. At Right Angles (13). pp. 60-61. ISSN 2582-1873

Tanuj, Shah (2015) Investigations. At Right Angles, 4 (3). pp. 58-61. ISSN 2582-1873

Tikekar, R. (2020) Why Should You Study Mathematics? At Right Angles (8). pp. 6-14. ISSN 2582-1873

Tikekar, Rahul (2018) Ramanujan : what might have been, if only…. At Right Angles, 7 (3). pp. 23-25. ISSN 2582-1873

Tikekar, V. G. (2018) On the sums of powers of natural numbers, part 2. At Right Angles, 7 (1). pp. 22-25. ISSN 2582-1873

Tikekar, V.G. (2018) Addendum to power triangle. At Right Angles, 7 (2). pp. 28-29. ISSN 2582-1873

Tikekar, V.G. (2014) Morley’s miracle - part I. At Right Angles, 3 (2). pp. 10-13.

Tikekar, V.G. (2017) On the sums of powers of natural numbers. At Right Angles, 6 (3). pp. 5-8.

Tikekar, V.G. (2015) A Proof without words for Viviani´s theorem. At Right Angles, 4 (1). pp. 5-6. ISSN 2582-1873

Tikekar, V.G. (2022) Spoof Numbers and Spoof Solutions - Part II. At Right Angles (13). pp. 17-22. ISSN 2582-1873

Tikekar, V.G. (2021) Spoof numbers and spoof solutions - part I. At Right Angles. pp. 13-17. ISSN 2582-1873

Tikekar, VG (2013) There are infinitely many primes. At Right Angles, 2 (3). pp. 5-8. ISSN 2582-1873

Titus, Sneha (2022) The Closing Bracket . . . At Right Angles (13). pp. 89-90. ISSN 2582-1873

Titus, Sneha (2022) From the Editor’s Desk . . . At Right Angles (13). ISSN 2582-1873

Titus, Sneha (2012) How about a math portfolio? At Right Angles, 1 (1). pp. 43-47.

Titus, Sneha (2018) Mini review- numero friendly board games. At Right Angles, 7 (2). pp. 143-145. ISSN 2582-1873

Titus, Sneha (2012) NRICH. At Right Angles, 1 (2). ISSN 2582-1873

Titus, Sneha (2017) Problems for the middle school. At Right Angles, 6 (2). pp. 86-91. ISSN 2582-1873

Titus, Sneha (2019) Quilting : explorations by a mathematics teacher. At Right Angles. pp. 61-65. ISSN 2582-1873

Titus, Sneha (2012) Review of a YouTube clip. At Right Angles, 1 (1). p. 64. ISSN 2582-1873

Titus, Sneha (2014) Teacher's diary on classroom assessment - III. At Right Angles, 3 (2). pp. 34-41.

Titus, Sneha (2018) The gentle man who taught infinity. At Right Angles, 7 (2). pp. 140-142. ISSN 2582-1873

Titus, Sneha (2013) The path to mastery-teacher: leader, supporter, enabler. At Right Angles, 2 (2). pp. 39-42. ISSN 2582-1873

Titus, Sneha and Athmaraman, R (2017) Problems for the middle school. At Right Angles, 6 (1). pp. 70-72.

Titus, Sneha and Athmaraman, R. (2017) Problems for the middle school. At Right Angles, 6 (3). pp. 99-103.

Titus, Sneha and Ghosh, Jonaki B. (2013) In a dynamic geometry environment: Exploring problems in geometry. At Right Angles, 2 (1). pp. 44-48.

Titus, Sneha and R., Athmaraman (2016) Problems for the middle school. At Right Angles, 5 (3). pp. 77-81. ISSN 2582-1873

Titus, Sneha and Sircar, Swati (2017) DADS rule! At Right Angles, 6 (1). pp. 33-38.

Titus, Sneha and Sircar, Swati (2015) Low floor high ceiling tasks - getting into shape, Tangram time. At Right Angles, 4 (3). pp. 35-41. ISSN 2582-1873

Tonapi, Anushka (2022) Factorising non-monic quadratic equations. At Right Angles (12). pp. 70-73. ISSN 2582-1873

U

Umar, M. (2020) The Height of a Tree. At Right Angles (8). pp. 29-34. ISSN 2582-1873

V

Vyawahare, Anantw (2017) Divisibility by 7. At Right Angles, 6 (3). pp. 73-75.

V.G., Tikekar (2015) Morley´s Miracle – Part III. At Right Angles, 4 (2). pp. 5-8.

Vaidya, Arun (2017) The breaking of the IM CODE. At Right Angles, 6 (2). pp. 5-11. ISSN 2582-1873

Venkataraman, Geetha (2014) Of monsters and moonshine. At Right Angles, 3 (1). pp. 73-77. ISSN 2582-1873

Venkataraman, Geetha (2016) Through the symmetry lens. At Right Angles, 5 (2). pp. 11-16.

Venkataraman, Geetha and Khemani, Shreya (2012) Close encounters of the ‘Math ED’ kind. At Right Angles, 1 (2). pp. 31-36. ISSN 2582-1873

Venkataraman, Geetha (2016) Through the symmetry lens, part 1 : planar symmetry and frieze pattern. At Right Angles, 5 (1). pp. 5-14.

Venkatasubban, Rajatadri (2019) An unusual proof of the centroid theorem. At Right Angles (5). pp. 34-36. ISSN 2582-1873

Venkatesh, Arundhati (2021) Review : Blockhead : the life of Fibonacci. At Right Angles (10). pp. 76-79. ISSN 2582-1873

Verma, Pranav (2021) Infinite kepler triangles. At Right Angles (10). pp. 70-72. ISSN 2582-1873

Vikranth, Vishak (2020) Product numbers. At Right Angles (6). pp. 40-41. ISSN 2582-1873

Villiers, Michael De (2018) A cyclic Kepler quadrilateral & the golden ratio. At Right Angles, 7 (1). pp. 91-94.

Villiers, Michael De and Humenberger, Hans (2021) Ghosts of a problem past. At Right Angles (9). pp. 105-111. ISSN 2582-1873

Villiesrs, Michael De (2017) From a golden Rectangle to golden Quadrilaterals And beyond. At Right Angles, 6 (1). pp. 64-69.

Virmani, Amitabh (2022) Making the Great Icosahedron. At Right Angles (13). pp. 7-11. ISSN 2582-1873

Viswanath, Sankaran (2017) Predicting the future. At Right Angles, 6 (2). pp. 15-21. ISSN 2582-1873

Vyasanakere, Jayanth and Nityananda, Rajaram (2021) Mathematics of securing a box with a single rubber band. Resonance: Journal of Science Education, 26 (6). pp. 841-850. ISSN 0973-712X

Vyavahare, S. and Jacob, W. (2020) Cryptarithms. At Right Angles (8). pp. 22-24. ISSN 2582-1873

Vyawahare, Anant (2016) The digital root. At Right Angles, 5 (2). pp. 42-44.

W

Warhadpande, M. (2021) Folk Method Analysis (Sixth Method – a local device). At Right Angles (9). pp. 51-54. ISSN 2582-1873

Warhadpande, Mahit (2022) The Minimal Instruments of Geometry – II. At Right Angles (13). pp. 12-16. ISSN 2582-1873

Warhadpande, Mahit (2022) The minimal instruments of geometry – I. At Right Angles (12). pp. 7-12. ISSN 2582-1873

Y

Yadav, Naveenkumar (2017) On scalene triple. At Right Angles, 6 (3). pp. 46-49.

अ

अनुष्का राव, फिट्ज़हर्बट (2018) अनुमान की एक कक्षा. At Right Angles. ISSN 2582-1873

अज़ीम प्रेमजी यूनिवर्सिटी, मैथ स्पेस (2020) समीक्षा : एरो कार्ड. At Right Angles. ISSN 2582-1873

अज़ीम प्रेमजी यूनिवर्सिटी, मैथ स्पेस (2020) V का जोड़. At Right Angles. ISSN 2582-1873

आ

आत्मारमण, आर. (2012) खुले प्रश्न. At Right Angles, 1 (2). ISSN 2582-1873

आर., हरगोपाल (2020) हारा के त्रिभुज और त्रिक. At Right Angles. ISSN 2582-1873

उ

उमर, मोहम्मद (2020) एक पेड़ की ऊँचाई. At Right Angles. ISSN 2582-1873

ए

एस. एम., अनुपमा (2020) BODMAS : तिल का ताड़? At Right Angles. ISSN 2582-1873

क

कम्युनिटी मैथमेटिक्स सेंटर, कोमैक (2013) जॉर्ज पोल्या : उन्हीं के शब्दों में. At Right Angles, 1 (1). ISSN 2582-1873

कम्युनिटी मैथमेटिक्स सेंटर, कोमैक (2017) अगली संख्या क्या है ? At Right Angles. ISSN 2582-1873

कम्युनिटी मैथमेटिक्स सेंटर, कोमैक (2015) शब्दों के बिना प्रमाण. At Right Angles. ISSN 2582-1873

कम्युनिटी मैथमेटिक्स सेंटर, कोमैक (2020) 7 से विभाज्यता की 'चिका' जाँच. At Right Angles. ISSN 2582-1873

कम्युनिटी मैथमेटिक्स सेंटर, कोमैक (2016) 8 से विभाज्यता जाँचने के लिए एक नया नियम. At Right Angles. ISSN 2582-1873

कुमार, प्रभात (2016) जो बोलर की पुस्तक मैथमेटिकल माइंडसैटस की समीक्षा. At Right Angles. ISSN 2582-1873

ख

खान, रुबीना and झारबदे, महेश (2022) जीवन में गणित. Paathshaala Bhitar aur Bahar, 4 (11). pp. 7-13. ISSN 2582-4836

ग

गाँधी, हनीत (2014) किसी तल को दोहराते पैटर्न से ढँकना : भाग 1. At Right Angles. ISSN 2582-1873

गाँधी, हनीत (2014) किसी तल को दोहराते पैटर्न से ढँकना : भाग 2. At Right Angles. ISSN 2582-1873

गिरिधर, एस. (2019) बाज़ार और गणित. At Right Angles. ISSN 2582-1873

गुप्ता, संध्या (2018) ज्यामितिय आकृतियाँ बनाना : डोरी का खेल. At Right Angles. ISSN 2582-1873

गुलाटी, संगीता (2018) मोबाइल पज़ल : चरों और समीकरणों की समझ बनाना. At Right Angles. ISSN 2582-1873

गेसोटा, रुपेश (2018) असमान भिन्नों को जोड़ने की समझ बनाना. At Right Angles. ISSN 2582-1873

गोमती, आर. (2019) टाइल्स से खेलना : टेसिलेशन की शुरुआत. At Right Angles. ISSN 2582-1873

गोस्वामी, ऋचा (2018) भिन्नों के बारे में ग़लतफ़हमियाँ. At Right Angles. ISSN 2582-1873

गौर, शिव (2013) एक द्वादशफलक का ढाँचा बनाना. At Right Angles, 1 (2). ISSN 2582-1873

गौड़, शिव (2014) टर्न्ड-अप फ़ोल्ड्स की मैपिंग करना और मोड़ना. At Right Angles, 3 (3). ISSN 2582-1873

घ

घोष, जोनाकी (2020) गतिशील ज्‍यामितिय सॉफ्टवेयर. At Right Angles. ISSN 2582-1873

च

चन्दन, देव विनोद and पाटिल, अधिराज (2017) हैप्पी संख्याएँ (प्रसन्न संख्याएँ). At Right Angles. ISSN 2582-1873

ज

जगदीशन, शशिधर (2017) गणित शिक्षण में असहनीय बोझिलता से निपटना बीजगणित और केलकुलस के लिए कार्टून गाइड : लैरी गोनिक. At Right Angles. ISSN 2582-1873

जगदीशन, शशिधर (2013) एक छोटे-से विद्यालय के नोट्स. At Right Angles, 2 (1). ISSN 2582-1873

ट

टाइटस, स्नेहा (2019) क्विल्टिंग : एक गणित-शिक्षक की पड़ताल. At Right Angles. ISSN 2582-1873

टाइटस, स्नेहा and श्रीदेवी, सिन्धु (2014) पोर्टफोलियो मूल्यांकन. At Right Angles, 3 (3). ISSN 2582-1873

टाइटस, स्नेहा and सरकार, स्वाती (2015) आकृतियों को जानना. At Right Angles, 4 (3). ISSN 2582-1873

टिकेकर, राहुल (2018) रामानुजन : क्या होता, अगर... At Right Angles. ISSN 2582-1873

ड

डे, पृथ्वीजीत (2012) मिठाई वाले की तरक़ीब. At Right Angles. ISSN 2582-1873

द

दाश, अरधेन्दू शेखर (2020) भिन्न शिक्षण का तरीका : ग़लतफ़हमियाँ और अन्य बातें. At Right Angles. ISSN 2582-1873

दाश, अरधेन्दू शेखर (2020) 90⁰ के कोण की रचना की कार्यविधि की प्रमाणिकता. At Right Angles. ISSN 2582-1873

दास, अर्धेन्दु शेखर (2021) गणित की कक्षा में मौखिक बातचीत. At Right Angles. ISSN 2582-1873

दीवान, हृदय कान्त (2022) गणित क्यों और कैसे. Paathshaala Bhitar aur Bahar, 4 (11). pp. 71-81. ISSN 2582-4836

द्विवेदी, रजनी (2022) गणित के क्यों डरना. Paathshaala Bhitar aur Bahar, 4 (11). pp. 82-90. ISSN 2582-4836

ध

धस्माना, प्रीति (2021) सममिति का उपयोग करके क्षेत्रफल का पता लगाना. At Right Angles. ISSN 2582-1873

न

नरसिम्हन, एम. एस. (2020) द मैथमेटिक्स ऑफ़ इंडिया - पी. पी. दिवाकरण. At Right Angles. ISSN 2582-1873

नाइक, अरुण (2012) आगमन विधि की ख़ामियाँ : उदाहरण से पढ़ाने के ख़तरे. At Right Angles, 1 (2). ISSN 2582-1873

नायर, विनय (2019) एक वर्ग को बराबर हिस्सों में बाँटना. At Right Angles. ISSN 2582-1873

नायर, विनय (2020) त्रिभुजों से पड़ताल. At Right Angles. ISSN 2582-1873

नायर, विनय (2019) एक गणितीय तीर्थयात्रा : रामानुजन यात्रा. At Right Angles. ISSN 2582-1873

प

पटोदी, अंकित (2021) विभाज्यता के नियमों की व्याख्या. At Right Angles. ISSN 2582-1873

प्रसाद, अशोक (2020) महत्तम समापवर्तक पर बातचीत. At Right Angles. ISSN 2582-1873

प्रसाद, अशोक (2022) सन्दर्भों में निहित गणितीय संभावनाएं. Paathshaala Bhitar aur Bahar, 4 (11). pp. 20-27. ISSN 2582-4836

ब

बनर्जी, राखी (2020) आयत का क्षेत्रफल = लम्बाई X चौड़ाई. At Right Angles. ISSN 2582-1873

म

मधुसूदनन, सुंदररमन (2016) त्रिभुजों की गिनती. At Right Angles, 5 (3). ISSN 2582-1873

मालवीय, मुकेश (2022) गणित के भटकाव, एक वजह, भाषा का अटकाव. Paathshaala Bhitar aur Bahar, 4 (11). pp. 65-70. ISSN 2582-4836

मॉन्टेरो, विवेक (2019) डब्ल्यू. डब्ल्यू. सॉयर : गणित के सार्वभौमिक शिक्षक. At Right Angles. ISSN 2582-1873

मौली, हरण (2021) V का जोड़ (भूलसुधार). At Right Angles. ISSN 2582-1873

य

यादव, गुलशन (2022) कोविड महामारी के बाद गणित शिक्षण की शुरूआती प्रक्रिया. Paathshaala Bhitar aur Bahar, 4 (11). pp. 57-64. ISSN 2582-4836

र

रघुनाथ, सबिता and भंसाली, स्नेहा (2019) पाँचवीं कक्षा में π का प्रवेश. At Right Angles. ISSN 2582-1873

राजुरकर, अंशुल (2022) कौन बड़ा है और कौन छोटा: भिन्नात्मक संख्याओं की तुलना. Paathshaala Bhitar aur Bahar, 4 (11). pp. 14-19. ISSN 2582-4836

रामचंद्रन, ए. (2012) चार-भुजाओं की वंशावली. At Right Angles. ISSN 2582-1873

रामचन्द्रन, ए. (2020) माध्यमिक विद्यालयों की समस्याओं को विस्तृत खोज की आवश्यकता है. At Right Angles. ISSN 2582-1873

रामचन्द्रन, ए. (2014) दिलचस्प गणित की ओर ले जाती एक पहेली. At Right Angles. ISSN 2582-1873

रामचन्द्रन, ए. (2015) चतुर्भुज के कोण समद्विभाजक. At Right Angles, 4 (1). ISSN 2582-1873

रोस्सी, and शिखा, (2014) पहेलियों के माध्यम से गणित सीखें. At Right Angles. ISSN 2582-1873

ल

लक्ष्मी, आर. रोहिणी (2016) किसी संख्या के अभाज्य गुणनखण्डों की पुनरावृत्ति. At Right Angles. ISSN 2582-1873

व

विक्रान्त, विशाक (2020) गुणनफल संख्याएँ. At Right Angles. ISSN 2582-1873

श

शाह, तनुज (2013) गिनती के प्रति आकर्षण. At Right Angles. ISSN 2582-1873

शिराली, पद्मप्रिया (2016) आँकड़ों के प्रबन्‍धन का शिक्षण. At Right Angles, 5 (3). pp. 1-16. ISSN 2582-1873

शिराली, पद्मप्रिया (2017) बड़ी संख्‍याओं की रहस्‍यमयी दुनिया (Pullout-Aug). At Right Angles, 6 (2). pp. 1-12. ISSN 2582-1873

शिराली, पद्मप्रिया (2012) भिन्न समझना : पेपर किट की मदद से (Pullout-Dec). At Right Angles, 1 (2). ISSN 2582-1873

शिराली, पद्मप्रिया (2016) क्षेत्रफल तथा परिमाप (Pullout-Jul). At Right Angles, 5 (2). pp. 1-16. ISSN 2582-1873

शिराली, पद्मप्रिया (2013) संख्या संक्रियाएँ : जोड़ (Pullout-Jul). At Right Angles, 2 (2). ISSN 2582-1873

शिराली, पद्मप्रिया (2014) पढ़ाना : भागभाग (Pullout-Jul). At Right Angles, 3 (2). ISSN 2582-1873

शिराली, पद्मप्रिया (2015) शिक्षण : मापन का (Pullout-Jul). At Right Angles, 4 (2). ISSN 2582-1873

शिराली, पद्मप्रिया (2014) भिन्न समझना : पेपर फोल्डिंग की मदद से (Pullout-Jun). At Right Angles, 1 (1). ISSN 2582-1873

शिराली, पद्मप्रिया (2017) समय का शिक्षण (Pullout-Mar). At Right Angles, 6 (1). pp. 1-16. ISSN 2582-1873

शिराली, पद्मप्रिया (2016) इबारती सवालों का शिक्षण (Pullout-Mar). At Right Angles, 5 (1). pp. 1-20. ISSN 2582-1873

शिराली, पद्मप्रिया (2014) पढ़ाना : गुणा (Pullout-Mar). At Right Angles, 3 (1). ISSN 2582-1873

शिराली, पद्मप्रिया (2015) शिक्षण : ज्यामिति भाग-दो (Pullout-Mar). At Right Angles, 4 (1). ISSN 2582-1873

शिराली, पद्मप्रिया (2014) पढ़ाना : घटाना (Pullout-Nov). At Right Angles, 2 (3). ISSN 2582-1873

शिराली, पद्मप्रिया (2014) शिक्षण : ज्यामिति भाग-एक (Pullout-Nov). At Right Angles, 3 (3). ISSN 2582-1873

शिराली, पद्मप्रिया (2015) शिक्षण : सोचने-विचारने के कौशलों का (Pullout-Nov). At Right Angles, 4 (3). ISSN 2582-1873

शिराली, पद्मप्रिया (2016) शिक्षण : आँकड़ों के प्रबन्धन का (Pullout-Nov). At Right Angles, 5 (3). ISSN 2582-1873

शिराली, पद्मप्रिया (2014) स्थानीय मान : पेपर किट की मदद से (pullout-Mar). At Right Angles, 2 (1). ISSN 2582-1873

शिराली, शैलेष (2017) इसे सिद्ध कैसे करें ? At Right Angles, 6 (3). ISSN 2582-1873

शेख, मजीद (2015) 2 की घात से विभाज्यता का परीक्षण. At Right Angles. ISSN 2582-1873

श्रीवास्तव, सुधीर (2022) मातृभाषा और गणित शिक्षण. Paathshaala Bhitar aur Bahar (12). pp. 74-84. ISSN 2582-4836

स

सक्सेना, तान्या (2022) प्राथमिक स्तर से गणितीय सोच का विकास. Paathshaala Bhitar aur Bahar, 4 (11). pp. 34-41. ISSN 2582-4836

सरकार, स्वाती (2020) समय के साथ बदलती परिभाषाएँ. At Right Angles. ISSN 2582-1873

सरकार, स्वाती (2019) डॉट शीट्स के साथ मज़ा. At Right Angles. ISSN 2582-1873

सरकार, स्वाती (2018) पॉलिओमीनो - एक बार फिर से. At Right Angles. ISSN 2582-1873

सरकार, स्वाती (2018) अजीब संख्याएँ. At Right Angles. ISSN 2582-1873

सरकार, स्वाती (2021) समीक्षा : गणितमाला. At Right Angles. ISSN 2582-1873

सरकार, स्वाती (2018) पूर्ण संख्या और भिन्नों के साथ जोड़ के गुणधर्मोँ की खोज. At Right Angles. ISSN 2582-1873

सरकार, स्वाती and टाइटस, स्नेहा (2015) पेंटोमिनोस के साथ खोजबीन. At Right Angles, 4 (1). ISSN 2582-1873

सरकार, स्वाती and टाइटस, स्नेहा (2017) क्रमागत प्राकृत संख्याओं के योग. At Right Angles. ISSN 2582-1873

सरकार, स्वाती and टाइटस, स्नेहा (2018) चतुर चतुर्भुज. At Right Angles. ISSN 2582-1873

साहा, सुहास (2017) ताश के पत्तों के करतब से त्रि-आधार [Ternary Base]. At Right Angles. ISSN 2582-1873

सिंह, अंकित (2022) बच्चे, रेखा और कोण. Paathshaala Bhitar aur Bahar, 4 (11). pp. 53-56. ISSN 2582-4836

सुब्रमण्यन, के. (2018) स्कूली बीजगणित में 'संयुग्मन' की त्रुटि. At Right Angles. ISSN 2582-1873

सुब्रमण्यम, के. (2016) जिल एडलर : दक्षिण अफ़्रीका की गणित शिक्षा शोधकर्ता. At Right Angles. ISSN 2582-1873

सूरी, बी. (2020) उबाऊ रास्ते, जल द्वार और यूलर का फॉर्मूला. At Right Angles. ISSN 2582-1873

ರ

ರಾಮಮೂರ್ತಿ, ಗೋಮತಿ (2021) ಭಾಗಾಕಾರವೆಂದರೆ ಮಕ್ಕಳು ಏಕೆ ಹೆದರುತ್ತಾರೆ? Learning Curve (2). pp. 51-54. ISSN 2582-1644