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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 = 12.4

What is 8.7

200

a + 13 = 16

What is 3

200

d - 7 = 9

What is 16

200

7x = 63

What is 9

200

x/4 = 14

What is 56

200

x - 14.3 = 102.8

What is 117.1

300

n + 8 =14

What is 6

300

k - 83 =121

What is 204

300

5e = 400

What is 80

300

x/6 = 6

What is 36

300

5.6 = 0.8x

What is 7

400
x + 36 = -100
What is -136
400

x - 45.4 = 82.4

What is 127.8

400

11x = 36.3

What is 3.3

400

28 = a/13

What is 364

400

c/0.29 = 5.5

What is 1.595

500

27.6 = c + 14.5

What is 13.1

500

a - 16.3 = 28.1

What is 44.4

500

21y = 23.1

What is 1.1

500

80 = x/15

What is 1200

500

0.12 = y/0.12

What is 0.0144