Properties of Operations

Justify Equivalent Expression for 58 • 31

Work Time

Justify Equivalent Expression for 58 • 31

  • Are these expressions equivalent?

58 ⋅ 31

1,500+240+12(58)

 

  • Use the properties of operations to show each of the steps taken to determine if the expressions are equivalent or not.

Hint:

  • What questions did you ask yourself before you worked on this problem?
  • Why can you change the order of the numbers for addition and multiplication but not for subtraction and division?
  • How did you know when to use parentheses and when you can remove the parentheses?