Professional communities centered on mathematics

We connect teachers and professors through shared mathematical discovery.

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2018 Math Teachers’ Circle Training Workshop

June 18-22, 2018, at the Mathematical Association of America in Washington, D.C. Apply Now



“Unparalleled professional development in mathematics and math pedagogy.”

Heather Danforth-Clayson, member of AIM MTC and math teacher at Helios School, Sunnyvale, CA


Math Session Videos


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 >

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MTCs empower teachers’ voices and experiences

MTCs are highlighted as a “bright spot” in teacher professional development in a 2017 white paper published by 100Kin10.

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Our popular semi-annual magazine shares stories and insights from Circles across the country. Subscribe here.

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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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