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[Robert Kaplinsky] Real-World Problem-Based Learning Using Perplexing Tasks
Robert showed us this image and asked us to figure out how much it cost. I’ve seen his lesson plan before but it didn’t prepare me for how interesting the math became. We used the In-N-Out prices for a...
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[Breedeen Murray] Telling Stories, Teaching Math
Bree claimed that stories are a useful medium for student learning. She backed this up with lots of citations that I hope she’ll share somewhere. [Update: She has.] She posed ideas for filtering our...
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[Allan Bellman] Manipulatives vs. Technology: Bring Your Bias and an Open Mind
Great premise for a session: Pose two lesson objectives. For instance: Students will be able to understand why the angles in a triangle always add to 180 degrees. Students will be able to understand...
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[Michael Serra] Polygon Potpourri
Five interesting investigations with polygons [pdf]. Michael spent ten minutes prefacing the set, then let us investigate them for twenty minutes, and then asked a volunteer to debrief each one at the...
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[Avery Pickford] Proof Doesn’t Begin With Geometry
Avery wins the prize for Best Session Description by sneaking in the totally droll line, “All hail CCSSM MP3.” He briefly dinged two-column proofs, the Disaster Island where we usually sequester...
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