Question

Estimate the difference by rounding each number to the nearest half or whole.

7 - 3

4
3 1/2
4 1/2
3

Answer 1

Answer:

Rounding and estimating are math strategies used for approximating a number. To estimate means to make a rough guess or calculation. To round means to simplify a known number by scaling it slightly up or down. Rounding is a type of estimating.