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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 + 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 = 102.8

What is 168.89

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 + 3 =100

What is   97

400

x - 327 = 665

What is 992

400

11x = 88

What is 8

400

28 = a/13

What is 364

400

c/0.29 = 5.5

What is 1.595

500

27 = c + 27

What is 0

500

a + 63 = 392

What is 329

500

21y = 756

What is 36

500

80 = x/15

What is 1200

500
0.12 = y/0.12
What is 0.0144