Shirali, Padmapriya
(2018)
Introduction to algebra-II.
At Right Angles, 7 (2).
pp. 1-12.
ISSN 2582-1873
Abstract
This article is Part II of the series ‘Algebra – a language of patterns and designs.’ The approach
is based on the perception of algebra as a generalisation of relationships.
In Part I [http://teachersofindia.org/en/article/introduction-algebra-right-angles-pullout],
we introduced the ideas of variable, constant, term and expression via numerical patterns.
Various operations (addition, subtraction, multiplication) involving terms and expressions
were also studied.
Now in Part II, we revisit the usage of words such as variable, term and expression and
concepts and operations involving terms and expressions in the context of geometric
designs (line designs, 2-D designs, 3-D designs).
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