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 + 2.4 = 3.7

What is 1.3

200
a + 13 = 10
What is -3
200

d - 7 = 9

What is 2

200

7x = 63

What is 9

200

x/4 = 14

What is 56

200

x - 66.09= 36.71

What is 102.8

300

n + 8 = 14

What is 6

300

k - 8.3 =12

What is 20.3

300

5e = 400

What is 80

300

x/6 = 6

What is 36

300

5.6 = 0.8x

What is 7

400
x + 36 = -100
What is -136
400

x - 327 = 665

What is 338

400

11x = 275

What is 25

400

28 = a/13

What is 364

400

c/0.29 = 5.5

What is 1.595

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

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