jake baker’s maths blog

I spent quite some time over the Easter holidays finding expressions for the volume of a dodecahedron and icosahedron (with edge lengths 1 unit).  I found that there is a known and perhaps surprising result, that a dodecahedron fills more of a sphere which it just touches (a circumscribing sphere) than an icosahedron.
 Here are the [...]

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GeoGebra is a very useful piece of free software for maths students. It allows you to draw geometric shapes on axes, and also to plot a huge range of functions. There are tools going well beyond the A level maths, but it’s easy enough for students at KS3 to use effectively. You [...]

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Here are two great sites to visit. The Simon Singh site includes a section on code-breaking. http://www.simonsingh.net/
The Clay Mathematics Institute site offers seven prizes of $1million for seven problems … http://www.claymath.org/
You might also like to see this video, which has nothing to do with maths …

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