Rights Contact Login For More Details
- Wiley
More About This Title Speed Mathematics: Secret Skills for Quick Calculation
English
English
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?
Appendix H. Solving Problems.
Glossary.
Index.
