Ex 1.3, 1 - Estimating sum and difference


Question 1 Estimate each of the following using general rule: Make ten more such examples of addition, subtraction & estimation of their outcome. (a) 730 + 998 730 + 998 Using general rule, 730 is rounded off to nearest hundred 700 998 is rounded off to nearest hundred 1000 So, estimated sum = 1000 + 700 So, estimated sum = 1,700

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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.