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For questions in Mathematics Education as a scientific discipline. For more hands-on questions on teaching Mathematics, please use the tag teaching. There is also a Stack Exchange community http://matheducators.stackexchange.com/

3 votes

An example of a beautiful proof that would be accessible at the high school level?

The most success I have ever had teaching proofs at secondary school level is with the Peaucellier–Lipkin linkage. The proof relies on nothing more than basic geometry, namely similar triangles, but t …
0 votes

How do I explain the number e to a ten year old?

Thanks for all the answers. Some feedback... Martin, I think the compound interest problem might be a bit beyond him. And J.M., I really don't know how he came across e, but I could ask him next time …
0 votes

Mathematical games interesting to both you and a 5+-year-old child

Possibly a bit much for a five year old, but Penrose tiling? With coloured card and round-nosed scissors, of course...