Addition
Subtraction
Multiplication
Division
Decimals/Fractions
100
x + 4 = 25
What is 21
100

x - 2 = 16

What is 18

100

9x = 45

What is 5

100

y/6 = 2

What is 12

100

m - 3.7 = 2.4

What is 7.1

200

a + 13 = 21

What is 8

200

d - 7 = 9

What is 16

200

7x = 63

What is 9

200

x/4 = 14

What is 56

200

x - 66.09 = 102.8

What is 168.89

300

n + 8 = 14

What is 6

300

k - 83 =129

What is 212

300

5e = 425

What is 85

300

x/6 = 16

What is 96

300

5.65 = 0.2x

What is 28.25

400

x + 136 = 928

What is 792

400

x - 327 = 665

What is 992

400

11x = 275

What is 25

400

28 = a/13

What is 364

400

c + 1/4 = 4/9

What is 7/36

500

154 = c + 27

What is 127

500

a - 563 = 498

What is 1,061

500

21y = 756

What is 36

500

80 = x/15

What is 1200

500

0.12 = y/0.12

What is 0.0144

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