Pre-Algebra Quarter Exam

Fractions/Decimals

100

Write 1/5 as a decimal

0.2

200

Write 7/20 as a decimal

0.35

300

Write 7/8 as a decimal

0.875

400

Write 1/9 as a decimal 

0.1111111

500

Write 8/15 as a decimal

0.533333

Signed Numbers

100

- 6 + (-9)

-15

200

12 - (-15)

27

300

1 + (-2) + (-6)

-7

400

-35/-7

5

500

3(-2)(5)(-1)(0)

0

Scientific Notation

100

Express 0.00016 in scientific notation

1.6 x 10^-4

200

Express 869,000,000 in scientific notation

8.69 x 10⁸

300

Express 5.6 x 10^-2 in standard form

0.056

400

Express 1.05 x 10⁷ in scientific form

10,5000,000

500

Add 7.86 x 10² 

       9.746 x 10²

1.7607 x 10³

Measurements

100

19 ft. = ________ in.

228

200

252 mm = ____________ dm

2.52

300

83 qt. = _________ gal.

20 3/4

400

Add 23 ft.  8 in.

       16 ft.  9 in.

       8 ft.  10 in.

49 ft. 3 in.

500

Multiply 12 hr. 19 min. By 10

123 hr. 10 min.

Algebraic Expressions

100

Simplify 5x + 8x - 4x

9x

200

5a² + 7a + 2 - 2a + 7

5a² + 5a + 9

300

Evaluate the expression 2mx when m = 4 and x = 3

24

400

Evaluate the expression mn² - 3x when m = 4, n = -6, and x = 3

135

500

Evaluate the expression 5x² + 4nx when n = -6 and x = 3

-27