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Please note: If you sent us an email on February 3rd between 11:30am - 2:20pm and received an error message, please try again. We were experiencing technical difficulties that have since been resolved.

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Fun, Beautiful Math for All

Welcome to

The Cambridge Math Circle!

serving Cambridge and the Greater Boston Area

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CMC in the News

Check out Math Circle Network's Math Circular Spring 2026, which features CMC!

We were also featured in the Jan/Feb 2026 issue of the Harvard Magazine.

Play DigitQuest

Try

Try today's DigitQuest, a fun puzzle that updates daily!

Summer Registration is OPEN

Applications for our regular spring/winter programming and summer program are ongoing.

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

Winter & Spring Registration

Summer Registration

About Our Programs

Be the first to hear CMC news!

Sign up for our mailing list and be the first to know about CMC events, and when class registration opens.

Donate today!

Become a CMC supporter

Our kid loves CMC and is excited to go to class each week. The CMC team is great and brings a fun and different perspective to math.

Parent of a 2nd-grader at the MLK school

OUR SPONSORS

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