Kurzbeschreibung Speed Mathematics empowers readers to make complex calculations in the blink of an eye, all by teaching easy strategies for basic arithmetic. Bill Handley's revolutionary and failsafe methods make it fun to do math fast while also significantly reducing mistakes.
Aus dem Inhalt Preface.
Introduction.
1. Multiplication: Part One.
2. Using a Reference Number.
3. Multiplying Numbers Above and Below the Reference Number.
4. Checking Answers: Part One.
5. Multiplication: Part Two.
6. Multiplying Decimals.
7. Multiplying Using Two Reference Numbers.
8. Addition.
9. Subtraction.
10. Squaring Numbers.
11. Short Division.
12. Long Division by Factors.
13. Standard Long Division.
14. Direct Division.
15. Division by Addition.
16. Checking Answers: Part Two.
17. Estimating Square Roots.
18. Calculating Square Roots.
19. Fun Shortcuts.
20. Adding and Subtracting Fractions.
21. Multiplying and Dividing Fractions.
22. Direct Multiplication.
23. Estimating Answers.
24. Using What You Have Learned.
Afterword.
Appendix A. Frequently Asked Questions.
Appendix B. Estimating Cube Roots.
Appendix C. Checks for Divisibility.
Appendix D. Why Our Methods Work.
Appendix E. Casting Out Nines--Why It Works.
Appendix F. Squaring Feet and Inches.
Appendix G. How Do You Get Students to Enjoy Mathematics?
