Question

Estimate by rounding to the nearest ten. Then, find the sum
376+266
The estimated sum is

Answer 1

The answer should be found by rounding 376 to 380 and 266 to 270....you will get 650

Answer 2

640

Explanation:

You add 376 and 266 together then you get 642

In this case the nearest ten is 2

If we round the 2 (which would go down) it would be 640