## Table of Contents

Introduction 1

**Part 1: Getting Started with Basic Math and Pre-Algebra 5**

CHAPTER 1: We've Got Your Numbers 7

CHAPTER 2: Smooth Operators: Working with the Big Four Operations 23

CHAPTER 3: Getting Down with Negative Numbers 37

CHAPTER 4: It's Just an Expression 49

CHAPTER 5: Dividing Attention: Divisibility, Factors, and Multiples 69

**Part 2: Slicing Things Up: Fractions, Decimals, and Percents 89**

CHAPTER 6: Fractions Are a Piece of Cake 91

CHAPTER 7: Fractions and the Big Four 109

CHAPTER 8: Getting to the Point with Decimals 143

CHAPTER 9: Playing the Percentages 165

**Part 3: A Giant Step Forward: Intermediate Topics 177**

CHAPTER 10: Seeking a Higher Power through Scientific Notation 179

CHAPTER 11: Weighty Questions on Weights and Measures 189

CHAPTER 12: Shaping Up with Geometry 203

CHAPTER 13: Getting Graphic: Xy-Graphs 223

**Part 4: The X Factor: Introducing Algebra 235**

CHAPTER 14: Expressing Yourself with Algebraic Expressions 237

CHAPTER 15: Finding the Right Balance: Solving Algebraic Equations 259

**Part 5: The Part of Tens 277**

CHAPTER 16: Ten Alternative Numeral and Number Systems 279

CHAPTER 17: Ten Curious Types of Numbers 287

Index 293