• Pre-Algebra Essentials for dummies
• 點閱：21
• 作者： by Mark Zegarelli
• 出版社：Wiley Publishing
• 出版年：c2010
• 集叢名：--For dummies
• ISBN：9780470618387; 9780470640685
• 格式：PDF

A new series extension of the For Dummies brand, The Essentials For Dummies will appeal to the huge number of readers who seek out focused, short form consumer reference books at the \$9.99 price point. Positioned for students (and parents) who just want the key concepts and a few examples without the review, ramp-up, and anecdotal content The Essentials For Dummies series is a perfect solution for exam-cramming, homework help, and reference.

• Introduction(第1頁)
• Conventions Used in This Book(第2頁)
• Foolish Assumptions(第2頁)
• Icons Used in This Book(第3頁)
• Where to Go from Here(第3頁)
• Chapter 1: Arming Yourself with Math Basics(第5頁)
• Understanding Sets of Numbers(第5頁)
• The Big Four Operations(第6頁)
• Fun and Useful Properties of the Big Four Operations(第9頁)
• Other Operations: Exponents, Square Roots, and Absolute Values(第11頁)
• Finding Factors(第13頁)
• Finding Multiples(第15頁)
• Chapter 2: Evaluating Arithmetic Expressions(第17頁)
• The Three E’s: Equations, Expressions, and Evaluations(第18頁)
• Following the Order of Operations(第20頁)
• Chapter 3: Say What? Making Sense of Word Problems(第31頁)
• Handling Basic Word Problems(第32頁)
• Solving More-Challenging Word Problems(第36頁)
• Chapter 4: Figuring Out Fractions(第43頁)
• Reducing Fractions to Lowest Terms(第44頁)
• Multiplying and Dividing Fractions(第44頁)
• Subtracting Fractions(第49頁)
• Working with Mixed Numbers(第51頁)
• Chapter 5: Deciphering Decimals(第59頁)
• Performing the Big Four Operations with Decimals(第59頁)
• Converting between Decimals and Fractions(第65頁)
• Chapter 6: Puzzling Out Percents(第71頁)
• Understanding Percents Greater than 100%(第72頁)
• Converting to and from Percents, Decimals, and Fractions(第72頁)
• Solving Percent Problems(第75頁)
• Applying Percent Problems(第78頁)
• Chapter 7: Fraction, Decimal, and Percent Word Problems(第85頁)
• Adding and Subtracting Parts of the Whole(第85頁)
• Multiplying Fractions in Everyday Situations(第88頁)
• Multiplying Decimals and Percents in Word Problems(第90頁)
• Handling Percent Increases and Decreases in Word Problems(第93頁)
• Chapter 8: Using Variables in Algebraic Expressions(第97頁)
• Variables: X Marks the Spot(第97頁)
• Expressing Yourself with Algebraic Expressions(第98頁)
• Simplifying Algebraic Expressions(第108頁)
• Chapter 9: X’s Secret Identity: Solving Algebraic Equations(第115頁)
• Understanding Algebraic Equations(第116頁)
• Checks and Balances: Solving for X(第119頁)
• Rearranging Equations to Isolate X(第122頁)
• Chapter 10: Decoding Algebra Word Problems(第129頁)
• Using a Five-Step Approach(第130頁)
• Solving More-Complex Algebra Problems(第135頁)
• Chapter 11: Geometry: Perimeter, Area, Surface Area, and Volume(第139頁)
• Closed Encounters: Understanding 2-D Shapes(第139頁)
• Adding Another Dimension: Solid Geometry(第141頁)
• Measuring Shapes: Perimeter, Area, Surface Area, and Volume(第143頁)
• Chapter 12: Picture It! Graphing Information(第157頁)
• Examining Three Common Graph Styles(第158頁)
• Using Cartesian Coordinates(第162頁)
• Chapter 13: Ten Essential Math Concepts(第169頁)
• Playing with Prime Numbers(第169頁)