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Lighting up Time

Age 7 to 14 Challenge Level:

This lampshade was photographed in Rimini in Italy. In Africa candle holders exactly like this are often made from wire.

  • Do you know the mathematical name for this shape?
  • Can you see lots of triangles?
  • What "type" of triangles are they and how many of them were needed to make this lampshade?
  • What other shapes can you see?
  • Could you make a polyhedron like this from card? How would you do it?

There's another image you might like to take a look at in the Notes .