Professional communities centered on mathematics
We connect teachers and professors through shared mathematical discovery.
Video Library
What is a Math Teachers’ Circle meeting like? We recommend you check out our video library of “classic” math sessions.
An Introduction to Problem Solving
This session gets at the heart of Math Teachers’ Circle: becoming comfortable with not knowing how to solve a problem.
Grid Power
A sheet of grid paper and a simple counting question reveal some deep mathematical surprises.
Exploding Dots
An imaginary counting machine explodes teachers’ preconceptions about arithmetic.
More videos >
Other mathematical materials >
What Makes a Good Problem?Watch MTC leaders Chris Bolognese, Fawn Nguyen, Paul Zeitz, and Joshua Zucker discuss this question in this Educator Innovator webinar. 

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Start a CircleOur Organizer Toolkit contains a wealth of materials to help you start a successful, selfsustaining MTC. Our seed grant program provides startup funding to selected Circles. 