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 + 10 = 13

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 + 3.6 = 12.1

What is 8.5

400

x - 32.7 = 66.5

What is 99.2

400

11x = 275

What is 25

400

28 = a/13

What is 364

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

6.5 = c + 2.7

What is 3.8

500

a - 1.63 = 3.92

What is 5.55

500

21y = 756

What is 36

500

80 = x/15

What is 1200

500
0.12 = y/0.12
What is 0.0144