Question

Estimate the sum. Use benchmarks with decimal parts of 0, 0.25, 0.50, or 0.75.

2.52+4.03

A. 6.50
B. 6.75
C. 7

Answer 1

The answer would be A. 6.50. This is because 2.52 would be about 2.50 and 4.03 would be about 4 and 2.50 + 4 = 6.50