Home | Cambridge Math Circle

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Our Pi-Tau campaign has raised enough to send 51 students to camp for one week.
Help send 11 more!

Fun Math Enrichment for Grades 1-8

Welcome to

The Cambridge Math Circle!

serving Cambridge and the Greater Boston Area

Summer Registration

CMC News

Check out CMC in Math Circle Network's Math Circular Spring 2026!

We were also recently in Harvard Magazine.

We're hiring!

Have experience with fundraising? Then check out our job opportunities.

Play DigitQuest

Play today's DigitQuest puzzle.

A new puzzle every day!

Fall Registration is OPEN

Apply by August 15th for a $25 discount per student.

Registration is done on a first-come, first-served basis.

Fall Registration

Summer Registration

About Our Programs

Curious About Our Classes?

Join us Monday, June 15 at 7:30 PM
& learn which of our classes is right for your child.

Become a CMC supporter

Donate today!

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He just has SO much fun, he loves the interaction with the teachers, he loves the puzzles and the problem-solving skills. He has fun.

-Parent of a 5th grader at The Peabody School

OUR SPONSORS

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