Twenty Problem Solving Skills for MATHCOUNTS
Chapter 1 Magic Squares
Chapter 2 LCM and GCD
Chapter 3 Tiles
Chapter 4 How Many Faces Are Painted
Chapter 5 How Many Triangles With Integer Lengths
Chapter 6 How Many Ways To Walk
Chapter 7 Newton’s Little Formula
Chapter 8 Integer Solutions To…(Part 1)
Chapter 9 Integer Solutions To…(Part 2)
Chapter 10 PIE
Chapter 11 Pythagorean Triples
Chapter 12 Cutting Regions
Chapter 13 Counting Triangles
Chapter 14 Counting Rectangles
Chapter 15 Balls and Boxes
Chapter 16 Clock Problems
Chapter 17 Page Numbers
Chapter 18 Finding Minimum Maximum Values with Inequalities
Chapter 19 Digits Arrangement
Chapter 20 Perimeter Area and Volume
The web page is here
http://www.mymathcounts.com/index.php
A sample chapter is attached.