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!
Mục lục
Preface v
Introduction 1
1 Multiplication: Getting Started 4
2 Using a Reference Number 13
3 Numbers Above the Reference Number 21
4 Multiplying Above & Below the Reference Number 29
5 Checking Your Answers 34
6 Multiplication Using Any Reference Number 43
7 Multiplying Lower Numbers 59
8 Multiplication by 11 69
9 Multiplying Decimals 77
10 Multiplication Using Two Reference Numbers 87
11 Addition 106
12 Subtraction 116
13 Simple Division 130
14 Long Division by Factors 141
15 Standard Long Division Made Easy 149
16 Direct Long Division 157
17 Checking Answers (Division) 166
18 Fractions Made Easy 173
19 Direct Multiplication 185
20 Putting It All into Practice 195
Afterword 199
Appendix A Using the Methods in the Classroom 203
Appendix B Working Th rough a Problem 207
Appendix C Learn the 13, 14 and 15 Times Tables 209
Appendix D Tests for Divisibility 211
Appendix E Keeping Count 215
Appendix F Plus and Minus Numbers 217
Appendix G Percentages 219
Appendix H Hints for Learning 223
Appendix I Estimating 225
Appendix J Squaring Numbers Ending in 5 227
Appendix K Practice Sheets 231
Index 239
Giới thiệu về tác giả
BILL HANDLEY is an international authority on mathematics teaching and study methods. He is also the author of Speed Mathematics (for adults) and Teach Your Children Tables.
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