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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 + 64 = 83

What is 19

200

9= 24 - d

What is 15

200

7x = 63

What is 9

200

x/4 = 36

What is 9

200

x - 66.09 = 102.8

What is 168.89

300

164 = 87 + n

What is 77

300

k - 72 =121

What is 49

300

7e = 84

What is 12

300

64/x = 8

What is 8

300

16.4 = 3.7 + k

What is 12.7

400

x + 36 = 376

What is 340

400
x - 327 = -665
What is -338
400

11x = 275

What is 25

400

120 = a/12

What is 10

400

42.4 - c = 33.9

What is 8.5

500
-27 = c + 27
What is -56
500
a - (-163) = -392
What is -555
500
-21y = -756
What is 36
500
-80 = x/15
What is -1200
500
0.12 = y/0.12
What is 0.0144