See Ya Later Calculator by Press, Editors of Portable -- Read -- Imperial Library of Trantor

Index

Cover Page Title Page Copyright Page Contents Introduction 1. General Math

Addition + Subtraction

Add by Alteration Add by Column Pre-Determine Your Grocery Store Total Simplified Subtraction Easily Add Up Three-Digit Numbers Subtract a Big Number From 1,000 Subtract by Adding The Power of 9 Subtract Large Numbers Complements of 100 Add by Rounding

Multiplication + Division

Math Magic Trick #1 Multiply Numbers that Both End in Zero Cool Division Tricks Split the Digits Simple Simplify Multiply a Two-Digit Number by 11 Multiply any Number by 5 Easily Multiply by 15 Multiply any Number by 9 Splitsville Divide and Conquer Multiply by Subtracting Square any Number that Ends in 1 Square any Number that Ends in 9 Square a Number that Ends in 5 Square any Number Estimate How much a Star is Overpaid Dividing by Four Multiplying Teens Multiply Two Nearly Identical Numbers Multiply Two-Digit Numbers An Average Method Vedic Mathematics Multiply Left to Right How to Square Three-Digit Numbers

Chapter Wrap-Up

2. Fun with Fractions

Percentages

Calculate a Tip Percentage Tricks Percent Flipping How much is that Sales Tax?

Fractions

Quickly Add Fractions Subtract Fractions that have a 1 on Top Subtract Fractions Math Magic Trick #2 Add Mixed Numbers Multiply Whole Numbers by Fractions Convert Decimals that Repeat Forever

Probability

Math Magic Trick #3 What are the Odds? Pick a Card The Gambler’s Fallacy The Monty Hall Paradox A 20 Percent Chance of Rain The Martingale

Chapter Wrap-Up

3. All Hail Algebra

Algebra

How to Remember the Order of Operations Turn Kilometers into Miles How to Figure Your Salary How Long Before Your Investment Doubles? Running Hot and Cold Simple Time Math Math Magic Trick #4 Going the Distance with Fibonacci

Pen + Paper Math

How to Calculate Compound Interest Kilograms vs. Pounds Distance, Speed & Time The Cricket Thermometer How to Find Your BMI Math Magic Trick #5 Trains of Thought Free Fallin’ Real-Life Uses of the Quadratic Equation

Chapter Wrap-Up

4. Enjoyable Geometry

Wrap Presents with Geometry Angles in Real Life Math Magic Trick #6 How to Remember Many Digits of PI Find the Surface Area of a Package It’s Hip to be Square Side by Side by Side Math Magic Trick #7 It’s a Trapezoid! Going in Circles Make Way for Sir Cumference! Pythagorean Theorem Math Magic Trick #8 Pump up the Volume Chapter Wrap-Up

5. Math in Action

Mnemonics

Math Mnemonics to Help You Out All Hail Roman Numerals! Stay Positive, or Go Negative? Lesser or Greater? More Mnemonics to Help You Out

Measurement

Math Magic Trick #9 7 Measuring Hacks Measure with a Mirror Food Measuring Tricks Measure with a Dollar Bill Measure a Really Tall Thing with a Stick

Math Projects

Wristwatch Compass Pythagorean in Action Make a Sundial Divide Anything into Equal Parts Math Magic Trick #10 Make a Math Clock Make a Protractor

Games + Puzzles Solutions Chapter Wrap-Up

Glossary