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 = 4.4

What is .7

200

a + 1 = 10

What is 9

200

d - 7 = 9

What is 16

200

7x = 63

What is 9

200

x/4 = 14

What is 56

200

x - 61.09 = 102.8

What is 163.89

300

n + 8 = 12

What is 4

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 - 327 = 665

What is 992

400

11x = 275

What is 25

400

28 = a/13

What is 364

400

c/.29 = 5.5

What is 1.595

500

y+24.5=32.8

What is 8.3

500

a - 12.82 = 14.8

What is 27.62

500

21y = 756

What is 36

500

80 = x/15.2

What is 1216

500

0.12 = 0.12y

What is 1