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The Developing Mathematical Ideas (DMI) Program

About the Professional Development Curriculum


About the Professional Development Curriculum

DMI is a commercially published elementary and middle grades (K-8) mathematics teacher professional development (PD) program based on well-established principles of effective PD. Teachers in DMI work together to think about and deepen their understanding of key mathematical ideas, explore students' thinking about "big mathematical ideas" and how they develop, and discuss teaching that supports students to develop deeper and richer mathematical understanding.

The focus of seminar sessions are classroom cases written by teachers that describe students' thinking about mathematical ideas. There are also opportunities to explore mathematics together led by seminar facilitators, to view and discuss videos of math classes, to discuss the work and ideas of your own students, to reflect on your learning by writing your own classroom cases, to analyze mathematics lessons, and to read related research.