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CBSE And NCERT Solutions:

NCERT Books Solutions for Class 6 Mathematics english Medium 1. Knowing Our Numbers

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NCERT SolutionsClass 6th Mathematics Chapter 1. Knowing Our Numbers
Page 3 of 3

1. Knowing Our Numbers


Exercise 1.3


Exercise1.3 ch-1

1. Estimate each of the following using general rule:

(a) 730 + 998 (b) 796 – 314 (c) 12,904 +2,888 (d) 28,292 – 21,496

Make ten more such examples of addition, subtraction and estimation of their outcome.
2. Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate

(by rounding off to nearest tens) :

(a) 439 + 334 + 4,317

(b) 1,08,734 – 47,599

(c) 8325 – 491

(d) 4,89,348 – 48,365

Make four more such examples.

3. Estimate the following products using general rule:

(a) 578 × 161

(b) 5281 × 3491

(c) 1291 × 592

(d) 9250 × 29

Make four more such examples.



Page 3 of 3
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