Chapter 1

Arming Yourself with Math Basics

IN THIS CHAPTER

Check Identifying four important sets of numbers

Check Reviewing addition, subtraction, multiplication, and division

Check Examining commutative, associative, and distributive operations

Check Knowing exponents, roots, and absolute values

Check Understanding how factors and multiples are related

You already know more about math than you think you know. In this chapter, you review and gain perspective on basic math ideas such as sets of numbers and concepts related to the Big Four operations (adding, subtracting, multiplying, and dividing). I introduce you (or reintroduce you) to properties and operations that will assist with solving problems. Finally, I explain the relationship between factors and multiples, taking you from what you may have missed to what you need to succeed as you move onward and upward in math.

Understanding Sets of Numbers

You can use the number line to deal with four important sets (or groups) of numbers. Each set builds on the ...

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