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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 = 2.4

What is 6.1

200
a + 13 = 10
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 - (66.09) = 102.83

What is 168.92

300

n -8 = 14

What is 22

300

k - 83 =121

What is 204

300

5e = 40

What is 8

300

x/6 = 6

What is 36

300

5.6 = 0.8x

What is 7

400

x + 36 = 100

What is 64

400

x - 7 = 66

What is 73

400

11x = 55

What is 5

400

28 = a/3

What is 84

400

c/0.2 = 5.5

What is 1.1

500

 c + 27 = 27

What is 0

500

a - 163 = 395

What is 558

500

7y = 21

What is 3

500

8 = x/15

What is 120

500

0.12 = y/0.9

What is 0.108