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# Basic Math and Pre-Algebra For Dummies, 2nd Edition

ISBN: 978-1-118-79199-8
E-book
384 pages
January 2014
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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 25

Chapter 3: The Big Four: Addition, Subtraction, Multiplication, and Division 31

Part II: Getting a Handle on Whole Numbers 49

Chapter 4: Putting the Big Four Operations to Work 51

Chapter 5: A Question of Values: Evaluating Arithmetic Expressions 67

Chapter 6: Say What? Turning Words into Numbers 79

Chapter 7: Divisibility 91

Chapter 8: Fabulous Factors and Marvelous Multiples 99

Part III: Parts of the Whole: Fractions, Decimals, and Percents 113

Chapter 9: Fooling with Fractions 115

Chapter 10: Parting Ways: Fractions and the Big Four Operations 131

Chapter 11: Dallying with Decimals 157

Chapter 12: Playing with Percents 181

Chapter 13: Word Problems with Fractions, Decimals, and Percents 193

Part IV: Picturing and Measuring — Graphs, Measures, Stats, and Sets 205

Chapter 14: A Perfect Ten: Condensing Numbers with Scientific Notation 207

Chapter 15: How Much Have You Got? Weights and Measures 215

Chapter 16: Picture This: Basic Geometry 227

Chapter 17: Seeing Is Believing: Graphing as a Visual Tool 249

Chapter 18: Solving Geometry and Measurement Word Problems 257

Chapter 19: Figuring Your Chances: Statistics and Probability 269

Chapter 20: Setting Things Up with Basic Set Theory 281

Part V: The X-Files: Introduction to Algebra 289

Chapter 21: Enter Mr. X: Algebra and Algebraic Expressions 291

Chapter 22: Unmasking Mr. X: Algebraic Equations 309

Chapter 23: Putting Mr. X to Work: Algebra Word Problems 321

Part VI: The Part of Tens 331

Chapter 24: Ten Little Math Demons That Trip People Up 333

Chapter 25: Ten Important Number Sets to Know 339

Index 347

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