Professional communities centered on mathematics

We connect teachers and professors through shared mathematical discovery.

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Joshua Zucker, "Intro to Problem Solving"

Video Library

What is a Math Teachers’ Circle meeting like? We recommend you check out our videos 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.

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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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Our Organizer Toolkit contains a wealth of materials to help you start a successful, self-sustaining MTC. Our seed grant program provides start-up funding to selected Circles.

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