1.
Find the value of
r
in the following equation.
2 + 6
r
= 3
r
- 1
A.
2
B.
-1
C.
D.
6
Hint
2.
Solve 4
h
- 6 = 2.
A.
32
B.
8
C.
2
D.
-1
Hint
3.
Find a solution to the equation using guess-check-and-improve.
A.
n
= 2
B.
n
= 1
C.
n
= 7
D.
n
= 6
Hint
4.
Find a solution to the equation using guess-check-and-improve.
–25 – 3
k
= –7 + 3
k
A.
k
= –3
B.
k
= 1
C.
k
= 4
D.
k
= –6
Hint
5.
Find how many blocks are in each bag to balance the scale.
A.
B.
C.
D.
Hint
6.
Bruce was filling jugs from a basin of water. When he had filled four jugs, 14 liters of water were left in the basin. When he had filled eight jugs, 4 liters of water were left in the basin. How many liters of water can fill one jug?
A.
2.5 liters
B.
1.5 liters
C.
2 liters
D.
1 liter
Hint
7.
Diana needed to borrow some money from her friends Zach and Kenyon. She told them that if it took more than 2 days to pay them back, she would triple the amount they borrowed her. Diana got a check for $60 and was able to pay them back, but it was three days later. Which expression represents the amount of money Diana had after paying her friends back?
A.
60 –
x
+
y
B.
60 – 3
x
+
y
C.
60 – (
x
+
y
)
D.
60 – 3(
x
+
y
)
Hint
8.
Solve the equation.
A.
B.
x
= 0
C.
D.
Hint
9.
What is always the final answer to this
Think of a Number
trick?
Think of a number.Multiply by 2.
Add 4.
Divide by 2.
Add 6.
Subtract the number you started with.
A.
1
B.
14
C.
8
D.
3
Hint
10.
Using
n
, find the expression for this
Think of a Number
trick.
Think of a number.
Multiply by 2.
Add 4.
Divide by 2.
Add 6.
Subtract the number you started with.
A.
B.
C.
D.
Hint