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One-Step Equation (Addition)
One-Step Equation (Subtraction)
One-Step Equation (Multiplication)
One-Step Equation (Division)
One-Step Equation (???????)
100

What operation would you use to solve this equation, x + 7 = 13

What is subtraction?

100

What operation would you use to solve this equation, x - 7 = 13

What is addition?

100

What operation would you use to solve this equation, 7x = 21

What is division?

100

What operation would you use to solve this equation, x ÷ 4 = 4

What is multiplication?

100
If you are increasing a number, what mathematical operation do you use?
addition
200
a + 3 = 24
What is a=21?
200
x - 3 = 24
What is x=27?
200

5b = 15

What is b=3?

200

b ÷ 3 = 5

What is b=15?

200
If you are decreasing a number, what mathematical operation do you use?
subtraction
300
m + 89 = 108
What is m=19?
300

m - 27 = 94

What is m=121?

300

2d = 150

What is d=75?

300

p ÷ 4 = 4

What is p=16?

300
It is the opposite operation of multiplication.
What is division?
400
t + 78 = 88
What is t=10?
400
p - 89 = 108
What is p=197?
400

6c = 36

What is c=6?

400

n ÷ 6 = 9

What is n=54?

400
It is the opposite operation of addition.
What is subtraction?
500
p + 155 = 174
What is p=19?
500
t - 78 = 93
What is 171?
500
14e=84
What is e=6?
500

g ÷ 4 = 12

What is g=48?

500

We use ________ _________ to help us solve equations.

inverse operations