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CHAPTER AT A GLANCE
Arithmetic Expressions
•Unit: Number System and Algebra readiness
•Board weightage: Arithmetic expressions, terms, order of operations, brackets, commutative and associative properties and comparing expressions give regular 1-mark, 2-mark and 3-mark questions (please check the latest sample paper)
•Key ideas from the textbook: expressions and their values, comparing expressions without calculating, terms, subtraction as adding the inverse, brackets, removing brackets with a minus sign, commutative and associative properties of addition
•Most scoring part: writing the terms of an expression, evaluating step by step, and removing brackets with correct signs
•Time to revise: about 50 minutes
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