I wrote a small Impact on Education grant this year to buy our department math toys.
Here's a little showcase of what we've been doing:
We didn't have enough pentagons to make a dodecahedron. Students decided to fill in the gaps using triangles.
Lots of great discussions between students. Lots of arguing. Lots of off-topic designs. Lots of on-topic designs.
Here's a lesson my brilliant colleague Tom Seibel did with his pre-algebra class:
Here's some of the things I've been doing.
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I teach Math and Programming at Summit Middle School in Boulder, CO.