Vol. 27 No. 2 (2018)

The Impact of Math Teachers’ Circle Participation: Case Studies

Brianna Donaldson
American Institute of Mathematics
Michael Nakamaye
University of New Mexico
Kristin Umland
University of New Mexico
Diana White
University of Colorado Denver

Published 2018-12-21


  • Math Teachers' Circles,
  • Case studies,
  • Professional development,
  • Mathematics teachers


The Math Teachers’ Circle (MTC) model is a widely implemented form of professional development that invites teachers to become practitioners of mathematics, thereby developing their fluency with mathematical practices. This article presents comparative case studies investigating the self-reported experiences of several MTC-participating teachers representing a range of mathematical backgrounds. Teachers’ reflections were examined through the lenses of three themes: views of mathematics, approaches to pedagogy, and professional engagement and leadership. Cross-case comparisons suggest several ways MTCs may be able to improve their support of teachers’ professional growth, for example through discussing mathematical mindsets and incorporating additional leadership opportunities.