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 = 5.7
What is 2

200

a + 13 = 16
What is 3

200

d - 7 = 9
What is 16

200

7x = 63
What is 9

200

x/4 = 14
What is 56

200

2.2 + x = 4.3
What is 2.1?

300

n + 6 = 14
What is 8

300

k - 83 =121
What is 204

300

5e = 400
What is 80

300

x/6 = 6
What is 36

300

5.6 + x = 6
What is -.40

400

x + 36 = 100
What is 64

400

x + 327 = 665
What is 338

400

11x = 275
What is 25

400

x/3 = 10
What is 30

400

1.6 - x = 1
What is .6

500

27 = c + 27
What is 0

500

n + 385 = 392
What is 7

500

21y = 756
What is 36

500

x/4=7
What is 28

500

0.90 + m = 1.30
What is 0.40