Question

Identify which property off addition could be used to solve the following problem. Solve the problem and justify how using the property makes the problem easier to solve.

7.6 + 3.9 + 2.4

Answer 1

The commutative property

Explanation:

7.6+3.9+2.4=

7.6+3.9= 11.5+ 2.4= 13.9.

If you added 2.4 and 3.9 first

3.9+2.4= 6.3+7.6=13.9.

It doesn't matter what order you add in, you'll get the same answer