Properties-Check Exit Assessment

Answer Key/Scoring Guide

1.   a.   x + (3 + 4) = (x + 3) + 4

2.   b.    2(xy) = (2x)y

3.   5(y + 12) = 5(y) + 5(12) or 5(y + 12) = 5y + 60

Your answer is incorrect because you did not multiply 5 times 12.

4.   c.     7.5x

5.   d.    60g