Addition
Subtraction
Multiplication
Division
Challenge
100

x + 8 = 24

x = 16

100

x - 12 = 1

x = 13

100

3x = 42

x = 14

100

x / 8 = 7

x = 56

100

x + 8 = -12

x = -20

200

x + 28 = 43

x = 15

200

x - 49 = 23

x = 72

200

12x = 48

x = 4

200

x / 25 = 11

x = 275

200

x - 10 = -14

x = -4

300

x + 5 = 32

x = 27

300

x - 24 = 31

x = 55

300

 14x = 112

x = 8

300

x / 3= 29

x = 87

300

5x = -130

x = -26

400

x + 49 = 81

x = 32

400

x - 43 = 55

x = 98

400

16x = 256

x = 16

400

x / 12 = 23

x = 276

400

x / -4 = -12

x = 48