Addition
Subtraction
Multiplication
Division
Decimals
100
x + 4 = 25
What is 21
100
x - 2 = 6
What is 8
100
9x = -27
What is -3
100
y/-6 = 2
What is -12
100
m + 3.7 = 2.4
What is -1.3
200

a + 13 = 23

What is 10

200

d - 7 = 19

What is 26

200

7x = 63

What is 9

200

x/4 = 14

What is 56

200

x - 6.9 = 9.99

What is 3.09

300

n + 18 = 24

What is 6

300

k - 83 =38

What is 121

300

5e = 400

What is 80

300

x/6 = 6

What is 36

300

5.6 = 0.8x

What is 7

400

x + 1/3 = 2/3

What is 1/3

400

x - 2/5 = 1/5

What is 3/5

400

2/5x = 3/4

What is 15/8

400

28 = a/13

What is 364

400

c/0.29 = 5.5

What is 1.595

500

3/4 = c + 1/2

What is 1/4

500

a - 1/3 = 5/6

What is 6/6 or 1

500

1/4y = 1/8

What is 1/2

500

80 = x/15

What is 1200

500

0.12 = y/0.12

What is 0.0144