Unit One - Real Numbers

Integers and Absolute Value

100

-15 + 40 = 

25

200

-57 / 3 = 

-19

300

|-15| + 1 = 

16

400

|-20 + 8| = 

12

500

| -22 - (-16)| = 

6

Fractions, Decimals, and Percents

100

Write -0.33333... as a fraction.

-1/3

200

7 6/7 + 14/21 = 

8 11/21

300

1 1/4 - 1/2 = 

3/4

400

(3/13)(-1/9) =   

-1/39

500

(-2 1/2) / (-8) =  

5/16

Exponents, Roots, & Scientific Notation

100

(-2)⁴ x (-2)⁶ = 

2¹⁰ = 1024

200

Rewrite each expression using positive exponents:

x⁰y^-2z^-3

1/y²z³

300

What is the square root of 4/81?

2/9

400

What two integers does the square root of 43 lie?

6 and 7

500

Write 0.00000000519 in Scientific Notation.

5.19 x 10^-9

PEMDAS & Evaluating Expressions

100

23 - (8)(5) = 

-17

200

Evaluate given the variable replacements:

9x -xy +5y    if x = 2 and y = 7

39

300

7² - |6 - 2(7)| x 3² = 

-23

400

x² - (x - y)² + y   if x = -5  and y = -8

8

500

(3p⁵ + 10q²)/7p + 1  if p = 2 and q = -3

12 2/5

The Real Number System & Properties

100

Name all sets to which the value belongs:

|-24|

Natural, Whole, Integer, Rational, Real

200

Name the property that justifies the statement below:

-5 + 3 = 3 + (-5)

Commutative Property

300

Name all the sets to which the value belongs:

9 - 4²

Integer, Rational, Real

400

Answer always, sometimes, or never.

Integers are __________________ irrational numbers.

NEVER

500

Use the Distributive property to complete the statement below:

14(x + 5) = ______________

14x + 70