Question

Which number sentence shows the best way to estimate 64.12 ÷ 7.4?

A. 60 ÷ 10 = 6
B. 63 ÷ 7 = 9
C. 56 ÷ 7 = 8
D. 100 ÷ 10 = 10

Answer 1

The answer is B.

Explanation:

If you round 64.12, you will get 63 to the closest. If you round 7.4, you will get 7 to the closest. So the answer is B.

Answer 2

B, 63 divided by 7 = 9