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 + 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 = 16

What is 16
300

k - 83 = 38

What is 121
300

5x = 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 - 681 = 327

What is 1008

400

11x = 275

What is 25

400

28 = x/13

What is 364

400

c/0.29 = 5.5

What is 1.595
500

27 = c + 27

What is 0

500

a - 833 = 278

What is 1111

500

21y = 756

What is 36

500

80 = x/15

What is 1200

500

0.12 = y /0.12

What is 0.0144