Speed Math for Kids : Helping Children Achieve Their Full Potential

ISBN-13: 9780731402274 / Angielski / Miękka / 2005 / 272 str.

Bill Handley

Opis

Learn how to easily do quick mental math calculations
Speed Math for Kids is your guide to becoming a math genius--even if you have struggled with math in the past. Believe it or not, you have the ability to perform lightning quick calculations that will astonish your friends, family, and teachers. You'll be able to master your multiplication tables in minutes, and learn basic number facts while doing it. While the other kids in class are still writing down the problems, you can be calling out the answers.
Speed Math for Kids is all about playing with mathematics. This fun-filled book will teach you:
* How to multiply and divide large numbers in your head
* What you can do to make addition and subtraction easy
* Tricks for understanding fractions and decimals
* How to quickly check answers every time you make a calculation
* And much more

If you're looking for a foolproof way to do multiplication, division, factoring estimating, and more, Speed Math for Kids is the book for you. With enough practice you'll go straight to the top of the class

Spis treści

Preface v

Introduction vii

1 Multiplication: Getting Started 1

2 Using a Reference Number 11

3 Numbers Above the Reference Number 19

4 Multiplying Above & Below the Reference Number 28

5 Checking Your Answers 34

6 Multiplication Using Any Reference Number 44

7 Multiplying Lower Numbers 61

8 Multiplication by 11 71

9 Multiplying Decimals 79

10 Multiplication Using Two Reference Numbers 90

11 Addition 111

12 Subtraction 122

13 Simple Division 136

14 Long Division by Factors 147

15 Standard Long Division Made Easy 156

16 Direct Long Division 164

17 Checking Answers (Division) 174

18 Fractions Made Easy 182

19 Direct Multiplication 195

20 Putting it All into Practice 205

Afterword 209

Appendix A Using the Methods in the Classroom 213

Appendix B Working Th rough a Problem 217

Appendix C Learn the 13, 14 and 15 Times Tables 219

Appendix D Tests for Divisibility 221

Appendix E Keeping Count 225

Appendix F Plus and Minus Numbers 227

Appendix G Percentages 229

Appendix H Hints for Learning 233

Appendix I Estimating 235

Appendix J Squaring Numbers Ending in 5 238

Appendix K Practice Sheets 241

Index 249