Mathematical Practices in Secondary Classrooms
As part of the effort to improve reasoning and sense making in the classroom, these four "media clusters" provide examples of what reasoning and sense making look like, what is needed to support it, and more.
Cluster Correlations to the Principles to Actions Teaching Practices (PDF)
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The Hexagon Train Task
The Water Tower Task
The Tabletop Tiling Task
The Stacking Pipes Task