A directory of useful objects found on the web for teaching Maths.
Explanation, Interesting, Publisher, TEDEd, Video, YouTube
What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They all came up with elegant proofs for the famous Pythagorean theorem, one of the most fundamental rules of geometry and the basis for practical applications like constructing stable buildings and triangulating GPS coordinates.
A succinct history of Pythagoras' Theorem.
12 September 2017 Edit: 12 September 2017
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