Pre-Algebra

Operations with Integers

100

-3 + (-5)

-8

200

-5 + 9

4

300

-12 x 13

-156

400

-2 + 3 x 4

10

500

-6 - (-9) * 4 + 2

32

PEMDAS

100

3 + 4 x 2

11

200

(5 + 24) x 3

87

300

18 ÷ 3 × (2 + 1)

18

400

5 + 2 × (6 – 4)²

13

500

(12 – 3 × 2)² ÷ 3

12

1-Step and 2-Step Equations

100

x + 5 = 12

7

200

3x = 15

5

300

x/4 – 2 = 3

20

400

2x + 3 = 5x – 6

x = 3

500

4(x – 2) = 2x + 8

x = 8

Proportions

100

Solve: x/3 = 4/6

x = 2

200

Solve: x/5 = 6/10

x = 3

300

Solve: 7/x = 14/4

x = 2

400

Sarah can type 120 words in 3 minutes. At the same rate, how many words can she type in 5 minutes?

200 words

500

A recipe uses 2 cups of sugar for every 5 cups of flour. How much sugar is needed for 12.5 cups of flour?

5 cups

Expressions and Distributive Property

100

Simplify: 2(x + 3)

2x + 6

200

Simplify: 5 + 2x + 3

2x + 8

300

Simplify: 3x + 2x

5x

400

Simplify: 4(x + 1) + 2

4x + 6

500

Simplify: -10(x - 2) - 5

-10x + 15