The result of over 10 years of
Bridging PD design and research:

Mathematical Argumenation book cover

Teacher working with student

Bridging provides middle school mathematics teachers with:

A quick glance at some of our success:
In two previous Bridging projects, we developed our innovative program in a diversity of districts and showed its promise through a small-scale experiment and through student assessments. Bridging teachers supported twice as much argumentation in their classrooms as did control teachers. Students on average gained 10 out of 36 possible points on an assessment of content and argumentation.

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