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CHAPTER AT A GLANCE
Working with Fractions
•Unit: Number System (Fractions)
•Board weightage: Multiplication and division of fractions, reciprocal, product and quotient compared with the numbers, word problems on fractions give regular 1-mark, 2-mark and 3-mark questions (please check the latest sample paper)
•Key ideas from the textbook: multiplying a whole number and a fraction, a fraction and a fraction, area of a rectangle with fractional sides, Brahmagupta's formulas, cancelling common factors, product and quotient compared with the numbers, division by the reciprocal, Śulba-Sūtra, Līlāvatī and fountain problems
•Most scoring part: writing the rule, cancelling before multiplying, using the reciprocal in division and writing the answer in lowest terms
•Time to revise: about 50 minutes
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