Kow Cheong Yan

Mathematical Quickies & Trickies Kow Cheong Yan

Singapore's bestselling Mathematical Quickies & Trickies contains more than 300 nonroutine problems to enhance students' problem-solving skills. With many creative worked examples and questions, and with cartoons sprinkled throughout the book, Mathematical Quickies & Trickies would appeal primarily to

grade 6 and above students and teachers looking for some fertile trick and tricky questions;

mathletes preparing for local and regional contests and competitions;

problem solvers longing to be challenged by questions whose obvious solutions are never the correct ones for what offhand appears to be true is false.

Contents

1. Mental Computation I
2. Mental Computation 2
3. Number Series
4. A Tricky Way with Fractions
5. Test Your Calculator Proficiency
6. Simplifying a Complex Fraction
7. Recurring Decimals
8. Is Zero an Even or Odd Integer?
9. Casting Out Nines
10. Be a Calculator Expert
11. Division by 9
12. Number Riddles
13. Ten Steps to be Math Smart
14. Shortcuts a la Trachtenberg
15. Geometrical Quickies 1
16. Geometrical Quickies 2
17. Geometrical Quickies 3
18. (Sugar + Coffee) + Milk = Sugar + (Coffee + Milk)
19. Applications of Number Laws
20. Law of One
21. Distributive Law
22. More Applications of Distributive Law
23. The Joy of Guesstimation
24. Are You a Fermi Disciple?
25. Bravo Singapore
26. Lightning Calculators
27. Geometrical Quickies 4
28. Some Calculator Quickies
Answers & Solutions
Bibliography & References