Table of Contents

Introduction. 1 Close Enough. It's the Big Ones That Count. Rounding Up or Down. 2 A Number of Realms of Numbers. The Realm McCoys. Once, Twice, Three Shoot. When I Was in My Prime. 3 Arithmetic of Whole Numbers. Addition. Multiplication. Hey, Hey, Take It Away. Standard Column Subtraction. Renaming in Subtraction. A House Divided. 4 Common Fractions. What Is a Fraction? Equivalent Fractions. Adding and Subtracting Fractions. Multiplying Fractions. Reciprocals. Dividing Fractions. Fractions Greater than One. Adding Mixed Numbers. Subtracting Mixed Numbers. Changing Mixed Numbers to Fractions. Multiplying and Dividing Mixed Numbers. 5 Decimal Fractions. Place Value. Extending Place Value. Adding and Subtracting Decimals. Multiplying Decimals. Dividing Decimals. 6 Using Percents. Percent Strategies. Interest. Taxes. Tipping. On Sale, or Discounts. 7 Measurement. Linear Measure. SI Units. Cutting the Rug. The Fabric of Society. Round and Round We Go. Trounced by the Ounce. Fluids. Weighting for Godot. Comparison Shopping. Beware of Downsizing. 8 Geometry, Plane and Not So. Basic Concepts. Getting A New Angle. The Parallel Universe. That Figures. Ratio and Proportion. The Pythagorean Theorem. Four Corners. Solid! Surface Area. 9 Checkbook Math. Register, but Don't Vote. An Alternate Strategy. 10 Credit Card Math. Take an Interest in Interest! Universal Default. Secured Credit Cards. 11 Mortgages. The $100,000 Question. An $89,000 Mortgage at 8%. A $159,000 Mortgage at 7%. Alternative Terms. Faster Payback. When to Refinance. 12 Insurance Math. Probability. Term Life. Nonterm Life. Other Risks. Automobile Insurance. 13 Simple Investing. Fixed Income Securities. Certificates of Deposit. Stocks. Bonds. Mutual Funds. The Money Market. 14 Distance Problems. Solving Linear Equations. Distance Problems for Real. Fuel Economy. More Distance Problems. A Measurement Tip Sheet. B Addition and Multiplication Flash Cards. C Calculating the Tip. D Figuring Discounts and Sales Tax. Index.

About the Author

David Alan Herzog is the author of numerous mathematics books and over 100 educational software programs. He taught math education at Fairleigh Dickinson University, was mathematics coordinator for New Jerseya s Rockaway Township public schools, and taught in New York City public schools.