About the Math Gym
Math Enrichment for Grades 3-5
Harrington School, Lexington, MA
The Math Gym is a collection of math puzzles, links, riddles, and more, designed to challenge and engage Harrington School Math Morning students and other curious and creative mathematicians in grades 3-5.
This site is created and maintained by Harrington parents -- not by mathematicians, teachers, or school administrators. It is not reviewed by the school, and the school bears no responsibility for any of its content.
If you find any mistakes, please email so we can correct them quickly.