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

9x - 3 = 27

30/9

400

2x - 5x - 3 = –6

x = 1

500

4(x - 2x – 2) = 8 

x = -4

Proportions

100

Solve: x/3 = 4/6

x = 2

200

Solve: x/5 = 6/10

x = 3

300

Solve: 7/x = 14/5

x = 2.5

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

Percents, Decimals, and Fractions

100

Convert 34% to a decimal.

0.34

200

Convert 0.333... to a fraction.

1/3

300

Convert 4/25 to a percent.

16%

400

Convert 62.5% to a simplified fraction.

5/8

500

Convert 0.375 to a percent AND a simplified fraction.

37.5%, 3/8