A directory of useful objects found on the web for teaching Maths.
https://www.youtube.com/watch?v=iQ89vkLUlvY
Activity, Problem, Puzzle, Publisher, Chris Smith, Video, YouTube
A graphical method for finding Pythagorean triples (triads). Why does it work?
21 February 2021 Edit: 21 February 2021
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Graham Rees on 24 February 21 at 02:11 PM #
Very cool