1.
Which of the numbers is the solution of 3
d
= 12?
A.
2
B.
3
C.
6
D.
4
Hint
2.
Identify the solution of 84 ÷
r
= 12.
A.
6
B.
7
C.
21
D.
72
Hint
3.
Determine which equation is true by replacing the variable with 2.
A.
6
x
+ 4 = 16
B.
6
x
+ 2 = 10
C.
6
x
= 8
D.
2
x
+ 2 = 8
Hint
4.
Which of the numbers is the solution of
x
÷ 2 – 4 = 10?
A.
26
B.
28
C.
30
D.
32
Hint
5.
Solve 24 = 2
m
mentally.
A.
12
B.
22
C.
48
D.
4
Hint