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 36.71
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 + 36 = 100

What is 64

400

x =

x+ 327 = 665

What is 327

400

11x = 275

What is 25

400

28 = a/13

What is 364

400
c/-0.29 = 5.5
What is -1.595
500

117 = c + 27

What is 90

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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