REAL-LIFE MATH

REAL-LIFE MATH

by Eleanor Angeles

Real-Life Math ? Scholastic Teaching Resources

Photo credits: Illustration credits: Cover design by Sol?s Interior design by Sol?s

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ISBN: 0-439-23777-7 Copyright ? 2002

Real-Life Math ? Scholastic Teaching Resources

REAL-LIFE MATH

CONTENTS

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Before You Begin . . . . . . . . . . . . . . . . . . . . 6

Section 1: Just the Facts . . . . . . . . . . . . . . . . 7 1. Addition . . . . . . . . . . . . . . . . . . . . . . . . . 8 2. Subtraction. . . . . . . . . . . . . . . . . . . . . . 11 3. Multiplication . . . . . . . . . . . . . . . . . . . . 13 4. Division . . . . . . . . . . . . . . . . . . . . . . . . 16 5. Estimating . . . . . . . . . . . . . . . . . . . . . . 19 6. How to Use a Pocket Calculator . . . . . . 21 7. Skills Survey. . . . . . . . . . . . . . . . . . . . . 23

Section 2: Your Daily Math . . . . . . . . . . . . . 24 1. Money Tracker . . . . . . . . . . . . . . . . . . . 25 2. (Unit Price x Quantity) + Sales Tax . . . . 26 3. Paying for a Meal . . . . . . . . . . . . . . . . . 27 4. How to Save on Transportation. . . . . . . 29 5. At the Grocery . . . . . . . . . . . . . . . . . . . 30 6. In the Post Office . . . . . . . . . . . . . . . . . 31 7. Putting It All Together . . . . . . . . . . . . . . 32 8. Skills Survey. . . . . . . . . . . . . . . . . . . . . 33

Section 3: Your Money and Math. . . . . . . . . 34 1. Checking Account . . . . . . . . . . . . . . . . 35 2. Balancing Your Checkbook. . . . . . . . . . 37 3. Savings . . . . . . . . . . . . . . . . . . . . . . . . 39 4. Budgeting. . . . . . . . . . . . . . . . . . . . . . . 41 5. Renting an Apartment. . . . . . . . . . . . . . 43 6. Are You Covered?. . . . . . . . . . . . . . . . . 45 7. All About Credit . . . . . . . . . . . . . . . . . . 46 8. Filing Your Income Tax . . . . . . . . . . . . . 48 9. Putting It All Together . . . . . . . . . . . . . . 50

10. Skills Survey. . . . . . . . . . . . . . . . . . . . . 52

Section 4: Math Goes to Work. . . . . . . . . . . 53 1. The Best Paying Job . . . . . . . . . . . . . . 54 2. Working Time . . . . . . . . . . . . . . . . . . . . 55 3. Time-and-a-Half . . . . . . . . . . . . . . . . . . 56 4. Earning by the Piece or by Commission 58 5. What Is Profit? Loss? . . . . . . . . . . . . . . 59 6. Pricing . . . . . . . . . . . . . . . . . . . . . . . . . 61 7. Bookkeeping . . . . . . . . . . . . . . . . . . . . 62 8. Putting It All Together . . . . . . . . . . . . . . 63 9. Skills Survey. . . . . . . . . . . . . . . . . . . . . 65

Section 5: Math Savers . . . . . . . . . . . . . . . . 66 1. City and Highway Mileage . . . . . . . . . . 67 2. Gas Saving Habits . . . . . . . . . . . . . . . . 69 3. Do It Yourself . . . . . . . . . . . . . . . . . . . . 70 4. Using the Calculator's Memory . . . . . . . 71 5. Discounts . . . . . . . . . . . . . . . . . . . . . . . 73 6. Buy More, Pay Less . . . . . . . . . . . . . . . 74 7. Putting It All Together . . . . . . . . . . . . . . 75 8. Skills Survey. . . . . . . . . . . . . . . . . . . . . 76

Section 6: Math Where You Least Expect It 77 1. Where Does Your Team Stand? . . . . . . 78 2. Going Places . . . . . . . . . . . . . . . . . . . . 79 3. Temperature Change . . . . . . . . . . . . . . 81 4. The Metric System . . . . . . . . . . . . . . . . 83 5. Shopping With Foreign Money . . . . . . . 85 6. Putting It All Together . . . . . . . . . . . . . . 87 7. Skills Survey. . . . . . . . . . . . . . . . . . . . . 88

Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Answer Key . . . . . . . . . . . . . . . . . . . . . . . 91

Real-Life Math ? Scholastic Teaching Resources

Real-Life Math ? Scholastic Teaching Resources

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Introduction

WHO NEEDS SCHOLASTIC REAL-LIFE MATH?

You do.

Because no matter what you do in life, math is there.

Scholastic Real-Life Math gives you practice using math for

everyday situations. To get and keep a job, you need math skills. To run a home or a workshop, you need math skills. In sports, travel, shopping--you use math every day.

So, whether you need math at the grocery store or on a vacation, each section will improve your necessary math skills.

Most lessons have a Quick Reference Box. This is the information you will

need to do the exercises.

If you need help with any of the calculations, just turn to page 89. Here, in the

Glossary, you will find the meanings of any unfamiliar words. Remember to

keep a pad of paper by you at all times: You will need it for calculations!

The Skills Survey pages at the end of each section can be used to test your

progress.

Real-Life Math ? Scholastic Teaching Resources

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