Solving One-Step Equations

Addition

100

x + 4 = 25

What is 21

200

a + 13 = 10

What is -3

300

n + 8 = 14

What is 6

400

x + 36 = -100

What is -136

500

29 = c + 27

What is 2

Subtraction

100

x - 2 = 6

What is 8

200

d - 7 = 9

What is 16

300

k - 83 =121

What is 204

400

x - 327 = 665

What is 992

500

a - 163 = 392

What is 555

Multiplication

100

9x = -27

What is 3

200

7x = 63

What is 9

300

5e = 400

What is 80

400

11x = 275

What is 25

500

21y = 756

What is 36

Division

100

y/6 = 2

What is 12

200

x/4 = 14

What is 56

300

x/6 = 6

What is 36

400

28 = a/13

What is 364

500

80 = x/15

What is 1200

Random

100

What is the inverse operation of addition?

Subtraction

200

What is the inverse operation of multiplication?

Division 

300

What operation is known as repeated addition?

Multiplication

400

What operation is known as repeated subtraction?

Division 

500

Complete the sentence... whatever I do to one side, I (blank blank blank blank) to keep the equation (blank). 

Whatever I do to one side, I do to the other to keep the equation balanced.