Ex 1.3, 3 - Chapter 1 Class 6 Knowing our Numbers - Part 2


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Question 3 Estimate the following products using general rule: Make four more such examples. (b) 5281 × 3491 5281 × 3491 By general rule 5281 is rounded off to 5000 3491 is rounded off to 3000 Estimated Product = 5000 × 3000 = 5 × 1000 × 3 × 1000 = (5 × 3) × 1000 × 1000 = 15 × 1000000 = 15000000 = 1,50,00,000 Note: This answer is different to the answer at back They have rounded 3491 off to 3500 If you know a better method, Please comment below

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.