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Addition of Integers
Subtraction of Integers
One-Step Equations (Easy)
Multi-Step Equations
PEMDAS
100

23 + 18

41

100

18 - 9

9

100

x + 18 = 23

x = 5

100

2x + 8 = 12

x = 2

100

2(4 - 5) + 7

5

200

89 + (-47)

42

200

23 - 14

9

200

y + 8 = 21

y = 13

200

9y + 7 - 5y = 15

y = 2

200

14 - 3(2 + 4)

- 4

300

108 + 97

205

300

123 - 46

77

300

r + 17 = 92

r = 75

300

3(n - 6) + 12 = 42

n = 16

300

9 + 3 - (10 - 12) 

14

400

308 + (-89)

219

400

- 200 - 91

- 291

400

2v = 90

v = 45

400

4x - 9 = x + 27

x = 12

400

2[6(6-8) +4]

-16

500

- 871 + 83

- 788

500

-137 - (-88)

-49

500

4t = 78

t = 19.5

500

2(k + 5) = 4(k - 2)

k = 9

500

3 + 7 - 6 + 9 + (-3)(5)

-2