Pre-Algebra 1 Final Review

Order of Operations

100

10−2×3+6

 

10

200

36÷(8−2)+5×4

 

26

300

5²×2−10÷2+(4+1)

 

50

400

50−[3×(7−2)²+5]÷4

 

30

500

{[(10−4)×3²2] / 2×9} + 5

 

8

Integers

100

5 + (-5)

0

200

-3 + (-4)

-7

300

-7 - (-7)

0

400

-3(3) + 7

-2

500

(15/-3) - 11

-16

Fractions/Decimals/Percents

100

Write the following decimal as a percent:

0.57

57%

200

Write the following fraction as a decimal (no calculators!):

4/5

0.8

300

Multiply:

2/3 * 1/2

1/3

400

Add:

5/7 + 1/3

22/21 = 1 1/21

500

Divide:

-2/5 / 1/3

-6/5 or -1 1/5

Expressions

100

Simplify:

3x + 2x - 1

5x - 1

200

Simplify:

5(x + 2)

5x + 10

300

Simplify:

2(x - 1) - (2x + 2)

-4

400

Factor using the GCF:

10x² + 5x

5x(2x + 1)

500

Simplify:

1/3(9x + 3) - 2(x + 1)

x

Equations/Inequalities

100

Solve:

x - 2 = 5

x = 7

200

2x - 1 = 3

x = 2

300

5(x + 2) = 10

x = 0

400

Solve:

5x−7=2(x+1) + 6 

x = 5

500

2x+10≥4x−6

 

x≤8