Chapter 1 Real Numbers Chapter 1-1

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Chapter 1
Real Numbers
Copyright © 2015, 2011, 2007 Pearson Education, Inc.
Chapter 1-1
Chapter Sections
1.1 – Study Skills for Success in Mathematics
1.2 – Problem Solving
1.3 – Fractions
1.4 – The Real Number System
1.5 – Inequalities and Absolute Value
1.6 – Addition of Real Numbers
1.7 – Subtraction of Real Numbers
1.8 – Multiplication and Division of Real Numbers
1.9 – Exponents, Parentheses and Order of Operations
1.10 – Properties of the Real Number System
Copyright © 2015, 2011, 2007 Pearson Education, Inc.
Chapter 1-2
Inequalities
and
Absolute Value
Copyright © 2015, 2011, 2007 Pearson Education, Inc.
Chapter 1-3
Absolute Value
The absolute value of a number is the distance
between the number and 0 on a number line. The
absolute value of every number will be either 0 or positive.
3  3 and -3  3
3 units 3 units
-5
-4
-3
-2
-1
0
1
2
3
Copyright © 2015, 2011, 2007 Pearson Education, Inc.
4
5
Chapter 1-4
Number Lines
A number line shows numbers increasing
from left to right. When comparing two
numbers, the number to the right on the
number line is the greater number, and
the number to the left is the lesser
number.
<
>
Lesser
Greater
-5
-4
-3
-2
-1
0
1
2
3
4
5
Copyright © 2015, 2011, 2007 Pearson Education, Inc.
Chapter 1-5
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