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A community library of technology tools, lessons, activities, and support materials for teaching and learning mathematics.

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Our Math Forum Online Courses are scheduled to start in early October and November:
PoW Membership: Resources & Strategies for Effective Implementation
Differentiating Math Instruction: Using Rich Tasks, Whole Group Discussion, and Small Group Work to Reach All Learners
Developing Powerful Problem Solvers

Powerful Problem Solving
Do you have a copy of Powerful Problem Solving by Max Ray-Riek? Check out our Book Companion Site and classroom videos!

What's Hot?

[August 3] Farewell, Seymour Papert: Maurici says Farewell, Seymour Papert: (February 29, 1928 July 31, 2016) and shares links to celebrate Papert's life and work.

[July 28] Triangle Congruence ARC at NCTM: Suzanne explains, "One of the new ARCs (Activities with Rigor and Coherence) that NCTM offers under the Classroom Resources tab on their site, refers teachers to the Congruence Theorems tool."

[July 25] Math Centers: Ann5664 asks, "What would be a great way to formally assess students if this interactive were to be used as part of a math center?"

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Tool: Pan Balance-Shapes
by NCTM Illuminations

Max and Annie at Math-On-A-Stick at the Minnesota State Fair.
click on photo to view larger version

Tool: NCTM KenKen
by NCTM Illuminations and KenKen