Question

Estimate each of the following using general rule
(i) 640+892
(ii) 586-313

Answer 1

Answer:

1482=1480

273=270

It will help you a lot.

Thanks for asking.

Answer 2

Answer:

Estimate each of the following :

(i)640+892

640=600

892=900

Estimate Sum = 600+900=1500

Actual Sum=640+892=1532

(ii) 586-313

586=600

313=300

Estimate Difference=600-300=300

Actual Difference=586-313=273

Hope it's helpful for you