1.
Which statement illustrates the commutative property of addition?
A.
(5 + 3) + 6 = (3 + 5) + 6
B.
(5 + 3) + 6 = 8 + 6
C.
(5 + 3) + 6 = 5 + (3 + 6)
D.
(5 + 3) + 6 = 14
Hint
2.
Which statement illustrates the associative property of multiplication?
A.
(2
x
)
y
= 2(
xy
)
B.
(2
x
)
y
= (
x
· 2)
y
C.
(2
x
)
y
= 2
xy
D.
(2
x
)
y
=
y
(2
x
)
Hint
3.
Evaluate 0.75 + 2.2 + 0.25 + 0.8.
A.
4
B.
5
C.
3
D.
6
Hint
4.
Write a simplified expression to represent 5 times the sum of
x
and 3 increased by 10.
A.
5
x
+ 25
B.
5
x
+ 13
C.
18
x
D.
35
x
Hint
5.
Simplify 2
x
+ 5
x
+ 4(
x
+ 3).
A.
14
x
B.
11
x
+ 3
C.
23
x
D.
11
x
+ 12
Hint