Question

KNOWING OUR
EXERCISE 1.3
1. Estimate each of the following using general rule:
(a) 730 +998 (b) 796 - 314 (e) 12,904 +2.888 (d) 28.292 -21,496
Make ten more such examples of addition, subtraction and estimation of their outcome.
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 x 161 (b) 5281 x 3491 (c) 1291 X 592 (d) 9250 x 29
Make four more such examples.​

Answer 1

Answer:

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