Question

Describe how you know that 9 +7+1 is equivalent to 9 +1 +7. What is the benefit to using this property?

Answer 1

Communitive Property

Explanation:

The communitive property: changing the order of the operands does not change the result.

Therefore, 9+1+7 = 9+7+1

This benefits you because during a problem, you can rearrange the order to make it communitive(if needed) and you can make it equal! It also reduces the number of independent basic multiplication facts to be memorized.