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 - 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 36.71

300

8+n = -14

What is -22

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 -56
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
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