Vocabulary
Multiplication and division are _______ operations.
inverse
5 x 2 =
10
15
20
768
800
A mental math method used to rewrite a number as the sum of numbers to form an easier problem is called _______________.
breaking apart
4 x 7 =
28
72
70
399
400
Choosing a number close to the number in a problem to make the computation easier, and then adjusting the answer is called ____________.
compensation
5 x 5 =
25
43
40
525
500
The order of factors can be changed but the product stays the same is _______________________.
Commutative Property of Multiplication
3 x 6 =
18
25
30
919
900
The __________________ states the sum of any number and zero is that number.
Identify Property of Addition
9 x 8 =
72
59
60
472
500