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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 = 5.8

What is 2.1

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 + 89 = 111

What is 22

300

k - 122 = 156

What is 278

300

400 = 5e

What is 80

300

6 = x/6 

What is 36

300

5.6 = 0.8x

What is 7

400

100 = x + 36

What is 64

400

2/3 = a - 2/3

What is 4/3 or 1 1/3

400

1/2 times t = 50

What is 100

400

28 = a/13

What is 364

400

c/0.29 = 5.5

What is 1.595

500

2/3 = g + 1/4

What is 5/12

500

b - 3/4 = 1/8

What is 7/8

500

30 = 3/4w

What is 40

500

80 = x/15

What is 1200

500

0.12 = y/0.12

What is 0.0144