A comprehensive and hands-on guide to crucial math concepts and terminologyIn the newly revised third edition of All the Math You'll Ever Need: A Self-Teaching Guide, veteran math and computer technology teacher Carolyn Wheater and veteran mathematics author Steve Slavin deliver a practical and accessible guide to math you can use every day and apply to a wide variety of life tasks. From calculating monthly mortgage payments to the time you'll need to pay off a credit card, this book walks you through the steps to understanding basic math concepts.This latest edition is updated to reflect recent changes in interest rates, prices, and wages, and incorporates information on the intelligent and efficient use of calculators and mental math techniques. It also offers:* A brand-new chapter on hands-on statistics to help readers understand common graphs* An easy-to-use-format that provides an interactive method with frequent questions, problems, and self-tests* Complete explanations of necessary mathematical concepts that explore not just how math works, but also why it worksPerfect for anyone seeking to make practical use of essential math concepts and strategies in their day-to-day life, All the Math You'll Ever Need is an invaluable addition to the libraries of students who want a bit of extra help applying math in the real world.

How to Use This Book viiAcknowledgments1 Getting Started2 Essential ArithmeticAdditionWhat Is Multiplication?,SubtractionDivision3 Focus on MultiplicationThe Multiplication Table,Learning the Multiplication Table,Testing Your Knowledge,About Long Multiplication,Practice Exercises with Two Digits,Multiplying Three Digits,Four-Digit Multiplication,Word Problems with Multiplication,4 Focus on DivisionShort Division,Long Division,Word Problems with Division,5 Mental MathFast Multiplication,Fast Division,How Are You Doing So Far?,Mental Math Tricks6 Positive and Negative NumbersWhat Are Negative Numbers?,Adding Positive and Negative Numbers,Subtracting Positive and Negative Numbers,Multiplying Positive and Negative Numbers,Division with Positive and Negative Numbers,7 FractionsChanging the Look of Fractions,Adding Fractions,Subtracting Fractions,Multiplying by Fractions,Dividing by Fractions,8 DecimalsAdding and Subtraction with Decimals,Multiplying with Decimals,Dividing with Decimals,9 Converting Fractions and DecimalsConverting Fractions into Decimals,Converting Decimals into Fractions,Simplifying Fractions,Repeating DecimalsNon-terminating Decimals10 Ratios and ProportionsRatios,Proportions,11 Solving ProblemsWords and Fractions,Word Problems with Money,12 Area and PerimeterAreas of Rectangles,When We Use Area,Perimeters of Rectangles,Areas of Triangles,13 Circumference and AreaCircumferences of Circles,The Area of a Circle,14 PercentagesFractions, Decimals, and Percents,Percent Change,Fast Percent Change,Percent Distribution,Tipping,15 Solving Simple EquationsThe Care and Treatment of Equations,Isolating x,Addition and Subtraction with x,Multiplication and Division with x,Fractions and Decimals in Equations,Negative Numbers,Multi-Step Equations,16 Powers and RootsExponents,Roots,Advanced Problems,17 Very Large and Very Small NumbersWriting Large Numbers,Scientific Notation,Millions, Billions, Trillions, and BeyondMultiplying Large Numbers,Dividing Large Numbers,Scientific Notation for Very Small Numbers,18 Algebra ProblemsAge Problems,Finding the Numbers,Mixture Problems,19 Interest RatesSimple Interest,Compound Interest,A Word on Continuous Compounding,Doubling Time: The Rule of 70,Discounting,20 Rate, Time and DistanceThe Magic Formula,The Terms,Finding Distance,Finding Rate,Finding Time,Rate, Time, and Distance Problems,Speed Limit Problems,21 Personal FinancesMark-Down Problems,Sales Tax Problems,Credit Cards,Federal Income Tax,Mortgage Interest and Taxes,22 Business MathCommissions,Mark-Ups,Discounting from List Price,Quantity Discounts,2/10 n/30,Chain Discounts,Profit23 A Taste of StatisticsDistributions of Data,Measures of Center,Measures of Spread,Estimating,24 ReviewIndex