Question

1. Estimate each of the following using general rules.
12904 +2,888 (D) 28,292 - 21,496
Make ten more such examples of addition, subtraction and estimation of their outcome.
2 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 x 161 (b) 5281 x 3491 (c) 1291 x 592 (d) 9250 x 29
Make four more such examples.​

Answer 1

Answer:

1. 15792,6796
2. a):-5090 b):-61135 c):-7834 d):-440983
3. a):-93058 b):-18435971 c):-721648 d):-268250

Step-by-step explanation:

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