A directory of useful objects found on the web for teaching Maths.
https://www.youtube.com/watch?v=tIDphO3PTI8
Publisher, Curiosity Show, Video, YouTube
Drawing a regular pentagon or hexagon may take some tricky work with a protractor, but Rob shows that you can make them simply by knotting streamers in the right way.
6 March 2015 Edit: 6 March 2015
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