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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 = 4.7

What is 1.0

200

a + 13 = 22

What is 9

200

d - 7 = 9

What is 16

200

7x = 63

What is 9

200

x/7 = 8

What is 56

200

x - 1.9 = 13.1

What is 15

300

n + 18 = 34

What is 16

300

k -83 =17

What is 100

300

5e = 400

What is 80

300

x/12 = 6

What is 72

300

7.3p=1.46

What is 0.02

400

x + 36 = 100

What is 64

400

x - 327 = 65

What is 392?

400

11x = 275

What is 25

400

28 = a/10

What is 280

400

c/0.2 = 5.5

What is 1.1

500

197 = c + 27

What is 170?

500

a -163 = 392

What is 555?

500

21y = 252

What is 12?

500

80 = x/15

What is 1200

500

0.12 = y/1.2

What is 0.144