Question 2 (a) - Estimating sum and difference - Chapter 1 Class 6 Knowing our Numbers

Last updated at April 16, 2024 by

Ex 1.3, 2 - Estimating sum and difference

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

 

 

 

 

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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. (a) 439 + 334 + 4317439 + 334 + 4317 Rounding off to nearest tens 439 is rounded off to 440 334 is rounded off to 330 4317 is rounded off to 4320 So, Estimated sum = 440 + 330 + 4320 = 4320 + 440 + 330 ∴ Estimated sum = 5,090 Rounding off to nearest hundreds 439 is rounded off to 400 334 is rounded off to 300 4317 is rounded off to 4300 So, Estimated sum = 400 + 300 + 4300 ∴ Estimated sum = 5,000

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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 and Computer Science at Teachoo