INTRODUCTION 1 PART I: GETTING STARTED WITH BASIC MATH AND PRE-ALGEBRA 5 Chapter 1: Playing the Numbers Game 7 Chapter 2: It's All in the Fingers: Numbers and Digits 15 PART II: GETTING A HANDLE ON WHOLE NUMBERS 21 Chapter 3: Putting the Big Four Operations to Work 23 Chapter 4: A Question of Values: Evaluating Arithmetic Expressions 59 Chapter 5: Say What? Turning Words into Numbers 81 Chapter 6: Divisibility and Prime Numbers 103 Chapter 7: Fabulous Factors and Marvelous Multiples 121 PART III: PARTS OF THE WHOLE: FRACTIONS, DECIMALS, AND PERCENTS 135 Chapter 8: Fooling with Fractions 137 Chapter 9: Parting Ways: Fractions and the Big Four Operations 161 Chapter 10: Dallying with Decimals 213 Chapter 11: Playing with Percents 253 Chapter 12: Word Problems with Fractions, Decimals, and Percents 273 PART IV: PICTURING AND MEASURING: MEASURES, STATS, AND SETS 289 Chapter 13: A Perfect Ten: Condensing Numbers with Scientific Notation 291 Chapter 14: How Much Have You Got? Weights and Measures 305 Chapter 15: Picture This: Basic Geometry 329 Chapter 16: Figuring Your Chances: Statistics and Probability 361 Chapter 17: Setting Things Up with Basic Set Theory 377 PART V: THE X-FILES: INTRODUCTION TO ALGEBRA 387 Chapter 18: Enter Mr. X: Algebra and Algebraic Expressions 389 Chapter 19: Unmasking Mr. X: Algebraic Equations 421 Chapter 20: Putting Mr. X to Work: Algebra Word Problems 447 PART VI: THE PART OF TENS 465 Chapter 21: Ten Little Math Demons That Trip People Up 467 Chapter 22: Ten Important Number Sets to Know 473 Chapter 23: Ten Curious Types of Numbers 479 Chapter 24: Ten Alternative Numeral and Number Systems 485 INDEX 493.