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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 = 108

What is 12

100

y/25 = 2

What is 50

100

m + 1.7 = 2.4

What is .7

200

a + 6 = 10

What is 4

200

d - 7 = 9

What is 16

200

7x + 3 = 66

What is 9

200

x/4 = 14

What is 56

200

x - 101.4 = 102.8

What is 204.2

300

n + 16 = 26

What is 10

300

k - 80 = 120

What is 200

300

5e = 400

What is 80

300

x/6 = 6

What is 36

300

5.6 = 0.8 + n

What is 4.8

400

x + 36 = 100

What is 64

400

x - 327 = 665

What is 992

400

11x = 275

What is 25

400

28 = a/13

What is 364

400

c - 0.29 = 5.5

What is 5.79

500

27 = c + 27

What is 0

500

a - 166 = 392

What is 558

500

21y = 756

What is 36

500

80 = x/15

What is 1200

500

0.12 =  n - 0.12

What is 0.24