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For questions related to teaching mathematics. For questions in Mathematics Education as a scientific discipline there is also the tag mathematics-education. Note you may also ask your question on http://matheducators.stackexchange.com/.
4
votes
What are your favorite puzzles/toys for introducing new mathematical concepts to students?
David Bachman has been experimenting with using 3d printing to make models for multivariable calculus. For example, models of the graph of $z = x^2 - y^2$, showing the vertical slices and the level cu …
33
votes
What are your favorite puzzles/toys for introducing new mathematical concepts to students?
I made these ropes with rare earth magnets in the ends for demonstrating knots. The materials (rope, magnets, PVC pipe and glue) are inexpensive. I've used Tangle before to play with knots, but it d …
12
votes
What are your favorite puzzles/toys for introducing new mathematical concepts to students?
I have been using these 3D printed models of quadric surfaces in my multivariable calculus classes. It is perhaps hard to believe at first that the hyperboloid of one sheet is a ruled surface (at leas …
14
votes
How to draw knots with Latex?
I gave a talk on the subject of drawing knots using computers (without much detail, but I cover both 2D and 3D methods), the slides might be of interest.