Vocabulary
Expressions
Addition/Subtraction
Multiplication/Division
Story Problems
100
What is the variable in 6+p?
p
100
Which of these is an expression: a+4=10 or a+4?
a+4
100
Solve and check (Show your work) r + 8 = 15
r = 7, 7 + 8 = 15
100
Solve and check (Show your work) 5c = 25
c = 5, 5 ● 5 = 25
100
Bob's birthday is 5 days after John’s. Bob’s birthday is on the 6th, when is John’s?
j + 5 = 6, j=1, 1 + 5 = 6, 1st
200
What is the inverse operation of subtraction?
Addition
200
Evaluate 10+g if g=9.
10+9=19
200
Solve and check (Show your work) -2 = t + 5
-7 = t, -2 = -7 + 5
200
Solve and check (Show your work) 18 = 3h
6 = h, 18 = 3 ● 6
200
Sue’s cat lost 5 pounds. It now weighs 8 pounds. What was the cat’s original weight?
c - 5 = 8, c=13, 13 - 5 = 8, 13 pounds
300
What is the inverse operation of division?
Multiplication
300
Evaluate d-7 if d=9.
9-7=2
300
Solve and check (Show your work) w – 6 = 10
w = 16, 16 – 6 = 10
300
Solve and check (Show your work) t/9=4 (Write t/9 as a fraction)
t = 36, 36/9 = 4
300
Tammy’s father is 4 times as old as Tammy. If Tammy’s father is 44, how old is Tammy?
4t = 44, t=11, 4●11=44, 11 years old
400
What is the coefficient of 6y?
6
400
Evaluate 7y if y=3.
7 ● 3 =21
400
Solve and check (Show your work) -4 = y – 6
2=y, -4 = 2 - 6
400
Solve and check (Show your work) a/6 = 7 (Write a/6 as a fraction)
a = 42, 42/6 = 7
400
Jim saved 4 dollars on a shirt. He paid 42 dollars for the shirt. What was the original price?
s - 4 = 42, s=46, 46 - 4 = 42, 42 dollars
500
A problem like b+9 where there is no equal sign.
Expression
500
Evaluate p – b if p=5 and b=2.
5-2=3
500
Solve and check (Show your work) -4 = t – 4
0=t, -4 = 0 - 4
500
Solve and check (Show your work) -8 = -4x
2 = x, -8 = -4 ● 2
500
The area of a rectangle is 36 square inches. The length is 4 inches, what is the width?
4w=36, w=9, 4●9=36, 9 inches
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