Professional communities centered on mathematics

We connect teachers and professors through shared mathematical discovery.

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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.


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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 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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