Twenty Problem Solving Skills For MATHCOUNTS
Prepare for Mathcounts.
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Table of Contents
Chapter 1. Magic Squares (click to view) 1Chapter 2. LCM and GCD 12
Chapter 3. Tiles24
Chapter 4. How Many Faces Are Painted 29
Chapter 5. How Many Triangles With Integer Lengths 35
Chapter 6. How Many Ways To Walk 42
Chapter 7. Newton's little Formula and Application57
Chapter 8. Integer Solutions (Part 1) (click to view)70Chapter 9. Integer Solutions (Part 2)81
Chapter 10. PIE92
Chapter 11. Pythagorean Triples 106
Chapter 12. Cutting Regions 112
Chapter 13. Counting Triangles 124
Chapter 14. Counting Rectangles133
Chapter 15. Balls and Boxes 147
Chapter 16. Clock Problems165
Chapter 17. Page Numbers 176
Chapter 18. Finding Minimum Maximum Values with Inequalities 185
Chapter 19. Digits Arrangement196
Chapter 20. Perimeter Area and Volume 203
Index 227
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