Pre-Algebra Essentials for Dummies.

Intro -- Title Page -- Copyright Page -- Table of Contents -- Introduction -- About This Book -- Conventions Used in This Book -- Foolish Assumptions -- Icons Used in This Book -- Where to Go from Here -- Chapter 1 Arming Yourself with Math Basics -- Understanding Sets of Numbers -- The Big Four Operations -- Adding things up -- Take it away: Subtracting -- Multiplying -- Doing division lickety-split -- Fun and Useful Properties of the Big Four Operations -- Inverse operations -- Commutative operations -- Associative operations -- Distributing to lighten the load -- Other Operations: Exponents, Square Roots, and Absolute Values -- Understanding exponents -- Discovering your roots -- Figuring out absolute value -- Finding Factors -- Generating factors -- Finding the greatest common factor (GCF) -- Finding Multiples -- Generating multiples -- Finding the least common multiple (LCM) -- Chapter 2 Evaluating Arithmetic Expressions -- The Three E's: Equations, Expressions, and Evaluations -- Equality for all: Equations -- Hey, it's just an expression -- Evaluating the situation -- Putting the Three E's together -- Following the Order of Operations -- Order of operations and the Big Four expressions -- Order of operations in expressions with exponents -- Order of operations in expressions with parentheses -- Chapter 3 Say What? Making Sense of Word Problems -- Handling Basic Word Problems -- Turning word problems into word equations -- Plugging in numbers for words -- Solving More-Challenging Word Problems -- When numbers get serious -- Lots of information -- Putting it all together -- Chapter 4 Figuring Out Fractions -- Reducing Fractions to Lowest Terms -- Multiplying and Dividing Fractions -- Multiplying numerators and denominators straight across -- Doing a flip to divide fractions -- Adding Fractions.

Finding the sum of fractions with the same denominator -- Adding fractions with different denominators -- Subtracting Fractions -- Subtracting fractions with the same denominator -- Subtracting fractions with different denominators -- Working with Mixed Numbers -- Converting between improper fractions and mixed numbers -- Multiplying and dividing mixed numbers -- Adding and subtracting mixed numbers -- Chapter 5 Deciphering Decimals -- Performing the Big Four Operations with Decimals -- Adding decimals -- Subtracting decimals -- Multiplying decimals -- Dividing decimals -- Converting between Decimals and Fractions -- Changing decimals to fractions -- Changing fractions to decimals -- Chapter 6 Puzzling Out Percents -- Understanding Percents Greater than 100% -- Converting to and from Percents, Decimals, and Fractions -- Going from percents to decimals -- Changing decimals into percents -- Switching from percents to fractions -- Turning fractions into percents -- Solving Percent Problems -- Figuring out simple percent problems -- Deciphering more-difficult percent problems -- Applying Percent Problems -- Identifying the three types of percent problems -- Introducing the percent circle -- Chapter 7 Fraction, Decimal, and Percent Word Problems -- Adding and Subtracting Parts of the Whole -- Sharing a pizza: Fractions -- Buying by the pound: Decimals -- Splitting the vote: Percents -- Multiplying Fractions in Everyday Situations -- Buying less than advertised -- Computing leftovers -- Multiplying Decimals and Percents in Word Problems -- Figuring out how much money is left -- Finding out how much you started with -- Handling Percent Increases and Decreases in Word Problems -- Raking in the dough: Finding salary increases -- Earning interest on top of interest -- Getting a deal: Calculating discounts -- Chapter 8 Using Variables in Algebraic Expressions.

Variables: X Marks the Spot -- Expressing Yourself with Algebraic Expressions -- Evaluating algebraic expressions -- Coming to algebraic terms -- Making the commute: Rearranging your terms -- Identifying the coefficient and variable -- Identifying similar terms -- Considering algebraic terms and the Big Four operations -- Simplifying Algebraic Expressions -- Combining similar terms -- Removing parentheses from an algebraic expression -- Chapter 9 X's Secret Identity: Solving Algebraic Equations -- Understanding Algebraic Equations -- Using x in equations -- Four ways to solve algebraic equations -- Checks and Balances: Solving for X -- Striking a balance -- Using the balance scale to isolate x -- Rearranging Equations to Isolate X -- Rearranging terms on one side of an equation -- Moving terms to the other side of the equal sign -- Removing parentheses from equations -- Using cross-multiplication to remove fractions -- Chapter 10 Decoding Algebra Word Problems -- Using a Five-Step Approach -- Declaring a variable -- Setting up the equation -- Solving the equation -- Answering the question -- Checking your work -- Choosing Your Variable Wisely -- Solving More-Complex Algebra Problems -- Chapter 11 Geometry: Perimeter, Area, Surface Area, and Volume -- Closed Encounters: Understanding 2-D Shapes -- Circles -- Polygons -- Adding Another Dimension: Solid Geometry -- The many faces of polyhedrons -- 3-D shapes with curves -- Measuring Shapes: Perimeter, Area, Surface Area, and Volume -- 2-D: Measuring on the flat -- Spacing out: Measuring in three dimensions -- Chapter 12 Picture It! Graphing Information -- Examining Three Common Graph Styles -- Bar graph -- Pie chart -- Line graph -- Using Cartesian Coordinates -- Plotting points on a Cartesian graph -- Drawing lines on a Cartesian graph -- Solving problems with a Cartesian graph.

Chapter 13 Ten Essential Math Concepts -- Playing with Prime Numbers -- Zero: Much Ado about Nothing -- Delicious Pi -- Equal Signs and Equations -- The Cartesian Graph -- Relying on Functions -- Rational Numbers -- Irrational Numbers -- The Real Number Line -- Exploring the Infinite -- Index -- EULA.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.