Pre-Algebra Review

Order of Operations

100

3 + 15 - 5 x 2

8

200

Solve: 4 + 6(2 + 1)²

58

300

Solve: 25 - (6 x 4)

1

400

Solve: 20 - 12 / 2 + 5

19

500

Solve: 2(2+3)² - (8 - 3)

26

Write & Evaluate Expressions

100

Write an expression for:

the quotient of a number and 6

x/6

200

Evaluate 5a + b, for a = 6 and b = 3

33

300

Write an expression for 2 less than the product of m and 5

5m - 2

400

Write an expression: 3 more than twice a number

2x + 3

500

Evaluate: 3ab - c

if  a=4, b=2, and c=3

21

Factor Out GCF

100

4x + 32

4(x + 8)

200

8y - 20x

4(2y - 5x)

300

24x² + 60x

12x(2x + 5)

400

45a - 35b

5(9a - 7b)

500

30x² - 45x

15x(2x - 3)

Simplify Expressions: Distribute & Like Terms

100

Simplify  5(p + 3)

5p + 15

200

-3(x + 8)

-3x - 24

300

2(2n - 11) + 10n

14n - 22

400

-9(y - 4) + 2y + 4

-7y + 40

500

3(9k-4) + 4(5k-3)

47k - 24

Solve Equations

100

Solve: y - 8 = 11

y = 19

200

18m - 12m = 30

m = 5

300

2x - 9 = 7

x = 8

400

6(h+2)=18

h = 1

500

2(x + 4) - 1 = 13

x = 3