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 + 13 = 10
What is -3
200

d - 9 = 11

What is 20

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

830 + m =1000

What is 170?

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 -338
400

11x = 275

What is 25

400

28 = a/13

What is 364

400

c/0.29 = 5.5

What is 1.595

500

-27 = c - 27

What is 0

500

a + 163 = 392

What is 229

500

21y = 756

What is 36

500

80 = x/15

What is 1200

500
0.12 = y/0.12
What is 0.0144
M
e
n
u