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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 = 2.4

What is 1.3

200

a + 10 = 13

What is 3

200

d - 7 = 9

What is 2

200

7x = 63

What is 9

200

x/4 = 14

What is 56

200

x - 66.09 = 102.8

What is 168.89

300

n + 8 = 14

What is 6

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 -136

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 -54

500
a - (-163) = -392
What is -555
500
-21y = -756
What is 36
500
-80 = x/15
What is -1200
500

0.12 = y/0.12

What is 0.0144