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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 + 2.4= 3.7

What is 1.3

200

a + 10 = 13

What is 3

200

d - 7 = 19

What is 26

200

7x = 63

What is 9

200

x/4 = 14

What is 56

200

x - 66.1= 102.8

What is 168.9

300

n + 8 = 124

What is 116

300

k - 83 =121

What is 204

300

5e = 400

What is 80

300

x/6 = 16

What is 96

300

5.6 = 0.8x

What is 7

400

x + 3.6 = 12.3

What is 8.7

400

y - 12 = 17.3

What is 29.3

400

1/3 y = 12

What is 36

400

28 = a/1.3

What is 36.4

400

c/0.29 = 5.5

What is 1.595

500

27 = c + 27

What is 0

500

a - 1.63 = 392

What is 390.37


500

2.1y = 756

What is 360

500

80.2 = x/15

What is 1,203

500

0.12 = y/0.12

What is 0.0144