Pre-Algebra S1 Final Review

Integers

100

-4 + 3 =

-1

200

-20 + 20 =

0

300

-5 - 5 =

-10

400

-20/-4

5

500

4 + 6 − (−1 + 4) + 4

11

Rational Numbers

100

Write 1/5 as a decimal.

0.2

200

Write the following mixed number as an improper fraction: 4 1/3

13/3

300

Multiply: 0.25 x 0.2 =

0.05

400

Solve: 1.452 + 1.3 =

2.752

500

7.1 x 2 − 3.8 × 1.8

7.36

Exponents

100

Write in expanded form: 3^4

3 x 3 x 3 x 3

200

5 ^ 0 =

1

300

Simplify: (t)(t)(t)(r)(r)(p)

t^3 r^2 p

400

Write in scientific notation: 4,900,000,000

4.9 x 10^9

500

Multiply: (3.5 x 10^6)(1 x 10^9)

3.5 x 10^15

Expressions

100

Simplify: 4(x + 2)

4x + 8

200

Simplify: 2x + 3y - 5x + 7

-3x + 3y + 7

300

Simplify: 2(3x - 1) + 6

6x + 4

400

Simplify: (x + 5) - (2x + 4)

-x + 1

500

2 - (4x - 3) + 5(x + y + 4)

x + 5y + 25

Equations and Inequalities

100

Solve: x + 4 = 12

x = 8

200

Solve: x/2 + 5 = 7

x = 4

300

Solve: 2(x - 3) + 2 = 10

x =7

400

5(x + 7) - 1 = 6x

x = -34

500

3/4x + 1/2 = 6/8x - 5/4

no solution