# Math Magic电子书

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Don't live in fear of math any longer. Math Magic makes math what you may never have imagined it to be: easy and fun!Scott Flansburg -- the Human Calculator who believes that there are no mathematical illiterates, just people who have not learned how to make math work for them -- demonstrates how everyone can put their phobia to rest and deal with essential every-day mathematical calculations with confidence. This is the book for millions of otherwise successful adults who are afraid to balance their checkbooks and don't know how to figure interest on savings or credit, and for the millions of students who dread their math classes and live in fear of the SAT math section.In Math Magic, Scott Flansburg shows the reader how to:Master the basics, including the real way addition, subtraction, multiplication, and division work Simplify calculations through estimation Quick-check answers Convert metric measures to more familiar ones Figure tips, taxes, and percentages -- never get short-changed again! Master algebra using the nine easy steps to algebra Math Magic is for all of us who need and want to improve our understanding of math. With the help of Flansburg, the Guinness World Record holder as the Fastest Human Calculator, you can do math just like magic.

Dedication

Contents

Introduction

Part I: The Basics

Chapter Zero

1. Five Keys to Human Calculating

3. Cross-Multiplication

4. Complementary Multiplication

5. Box Multiplication

6. Squaring

7. A Hatful of Multiplication Tricks

8. Subtraction

9. Division

10. A Hatful of Division Tricks

Part II: Parts of Numbers

11. Finding Square Roots

12. Finding Cube Roots

13. Fractions and Decimals

14. Percentages

Part III: Handy Things to Know

15. Simplifying Math by Estimating

17. How We Measure Things

18. The Calendar Formula

Part IV: Math in Real Life

19. Tips, Tax, and Change

20. Time: Jet Lag, Military Hours, Telling Time

21. How Big Is the Back Forty?

Part V: The Next Step

22. Introducing Algebra

23. A Test of Your Human Calculating

Part VI: Appendices

Glossary

Tables

Tables of Weights and Measures

The Metric System

Conversion Table—Metric and English Systems

Compound Interest, Annuities, Sinking Funds, Amortization

Squares, Cubes, Square Roots, Cube Roots of Numbers

Acknowledgments

Books by Scott Flansburg

01

Joshua Weiner
￥212.40
02

Buckingham, Jane
￥137.17
03

Buckingham, Jane
￥137.17
04

### How Not to Write a Novel￥89.66

Mittelmark, Howard
￥89.66
05

Post, Peggy
￥126.60
06

Grothe, Mardy
￥84.39
07

Zinsser, William
￥47.50
08

### The Elements of Story￥84.39

Flaherty, Francis
￥84.39
09

Feldman, David
￥68.55
10

Yagoda, Ben
￥79.11
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