Question 2 (d) - Estimation - Adding and Subtracting - Chapter 1 Class 6 Knowing our Numbers

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Ex 1.3, 2 - Chapter 1 Class 6 Knowing our Numbers - Part 8

Ex 1.3, 2 - Chapter 1 Class 6 Knowing our Numbers - Part 9

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Question 2 Give a rough estimate (by rounding off to nearest hundreds) & also a closer estimate (by rounding off to nearest tens) : Make four more such examples. (d) 4,89,348 – 48,3654,89,348 – 48,365 Rounding off to nearest tens 4,89,348 is rounded off to 4,89,350 48,365 is rounded off to 48,370 So, Estimated answer = 4,89,350 − 48,370 ∴ Estimated answer = 4,40,980 Rounding off to nearest hundreds 4,89,348 is rounded off to 4,89,300 48,365 is rounded off to 48,400 So, Estimated answer = 4,89,300 − 48,400 ∴ Estimated answer = 4,40,900

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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.