GeoGebra allows you to move shapes and graphs, rotate 3D models to view them, and manipulate equations and graphs simultaneously on a tablet—these are close to the "modern concrete objects" that take ...
The result is correct but challenges core norms of mathematics: checking proofs, crediting ideas and keeping research open to everyone.
The Hechinger Report on MSN
Blending algebra and geometry: An approach to high school math slowly gains favor
In James Bell’s math class at Chapman High School, sophomores are trying to pinpoint exactly where two lines cross. The students in this rural Kansas high school already solved for that meeting point ...
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