1.
Which number sentence shows the commutative property of addition?
9 + 3 = 12
9 + 3 = 3 + 9
3 + (9 + 1) = (3 + 9) + 1
3 * 9 = 27
2.
Use the commutative property of multiplication to identify which expression is equivalent to 6(2)(x).
12x
6(2x)
2(6)(x)
6 + 2 + x
3.
Use the commutative property to identify which expression is equal to (6+4)*5
5 * (6 + 4)
5 * 6 + 4 * 6
5 + (6 * 4)
(6 + 4 * 5)
4.
What is missing for the following quantity to be true? 9x + 3y +5a =3y + _ + 5a
a. 10x
b. 3y
c. 9x
d. 5a
5.
Which number sentence shows the associative property of addition? Choose all that apply.
a. 8 + (2 + 3) = (8 + 2) + 3
b. 3x(5 + 2) = 3x(5) + 3x(2)
c. 8z + 9p = 9p + 8z
d. (6 + 5) + 9 = 6 + (5 + 9)
