One-Variable Equations

Addition & Subtraction

100

x+9=21

x = 12

200

x−14=27

x = 41

300

x+36=80

x = 44

400

x−48=25

x = 73

500

x+65=132

x = 67

Multiplication & Division

100

5x=35

x = 7

200

x÷8=6

x = 48

300

7x=63

x = 9

400

x÷12=9

x = 108

500

11x=121

x = 11

Two-Step Equations

100

2x+6=16

x = 5

200

3x−9=183

 x = 9

300

4x+8=40

x = 8

400

5x−15=35

x = 10

500

6x+18=66

x = 8

Word Problems

100

A number plus 13 equals 25.
What is the number?

The number is 12.

200

Four times a number equals 36.
What is the number?

The number is 9.

300

A number minus 22 equals 30.
What is the number?

The number is 52.

400

A number divided by 7 equals 8.
What is the number?

The number is 56.

500

A number times 9 equals 117.
What is the number?

The number is 13.

Challenge

100

x+18=45

x = 27

200

8x=96

 x = 12

300

x−29=17

x = 46

400

7x+14=63

x = 7

500

9x−18=72

 x = 10