1. Real Numbers

2. 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

3. Inequalities
and
Absolute Value

4. 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. -5 -4 -3 -2 -1 1 2 3 4 5
3 units

5. 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. -5 -4 -3 -2 -1 1 2 3 4 5
Lesser
Greater
>
<