Priceless new film from two maths teachers at Sydenham School, explaining how to calculate the area of a circle with a bit of help from some of the girls and Sam Sparro's Black and Gold. Remember kids, 'Pi's the Bad Man'.
*nb Sydenham School is the Lewisham comprehensive school in Dartmouth Road and pretty good it is too, not to be confused with the fee paying Sydenham Girls.
4 hours ago
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