From the elementary puzzles to Olympiad-level stumpers, the problems in these books will challenge your best students. I enjoy working through these myself!
- Running a Math Circle
Explore math puzzles in a cooperative group environment. - Elementary Problem Solving
Give your children a great start in math with these “How to figure things out” books. - Intermediate Problem Solving
Middle school and high school topics, puzzles, and activities. - Advanced Problem Solving
For high school and beyond, including recreational math.
Within each subcategory, books are listed alphabetically by author.
If you click on a book cover, the links take you to Amazon.com, where you can read reviews and other details (and where I earn a few cents of affiliate commission if you actually buy the book), but most of these books should be available through your public library. Ask a librarian to find you a copy — they love to help!
Running a Math Circle
Elementary Problem Solving
Intermediate Problem-Solving
Advanced Problem-Solving
Denise Gaskins' Let's Play Math 