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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 -1.3
200

a + 8 = 10

What is 2

200

d - 7 = 9

What is 16

200

7x = 63

What is 9

200

x/4 = 14

What is 56

200

x - 6.1 = 12.4

What is 18.5

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 64

400

x  - 27 = 65

What is 92

400

11x = 275

What is 25

400

8 = a/12

What is 96

400

c/2 = 5.5

What is 11

500

30 = c + 27

What is 3

500

a - 16 = 39

What is 55

500

2y = 56

What is 28

500

8 = x/5

What is 40

500

12 = y/1.2

What is 14.4