Twenty More Problem Solving Skills For MATHCOUNTS
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Table of Contents
Chapter 1. Modular Arithmetic (click to view) 1Chapter 2. Divisor and Divisibility 18
Chapter 3. Last Digit and Remainder 40
Chapter 4. Number Bases 52
Chapter 5. Special Numbers 66
Chapter 6. Diophantine Equations 77
Chapter 7. Permutations of Digits and Sum of N-Digit Numbers 90
Chapter 8. Arithmetic Sequence and Common Terms111
Chapter 9. Absolute Value and Inequalities 125
Chapter 10. Probability Problems 146
Chapter 11. Recurrence Relations 169
Chapter 12. Consecutive Integers 198
Chapter 13. Proportion and Slow/Fast Watch Problems 212
Chapter 14. Words Problems Related to Work 227
Chapter 15. Net 242
Chapter 16. Longest Path and Shortest Distance 269
Chapter 17. Folding Paper 289
Chapter 18. Problems with Analytic Geometry307
Chapter 19. Grids322
Chapter 20. Back Calculation335
Index227