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Elementary and Intermediate Algebra
Mark Dugopolski, Southeastern Louisiana University

Real Numbers and Their Properties
The Real Numbers

Warm-Ups



1

The natural numbers and the counting numbers are the same.
A)TRUE
B)FALSE
2

The number 8,134,562,877,565 is a counting number.
A)TRUE
B)FALSE
3

Zero is a counting number.
A)TRUE
B)FALSE
4

Zero is not a rational number.
A)TRUE
B)FALSE
5

The opposite of negative 3 is positive 3.
A)TRUE
B)FALSE
6

The absolute value of 4 is -4.
A)TRUE
B)FALSE
7

-(-9) = 9
A)TRUE
B)FALSE
8

-(-b) = b for any number b.
A)TRUE
B)FALSE
9

Negative six is greater than negative three.
A)TRUE
B)FALSE
10

Negative five is between four and six.
A)TRUE
B)FALSE