Wednesday, June 25, 2014

Algebra with shapes

Mr Gregg came across these shapes in Foundation Stage:
They're called Rolf Circle Fun, and they're just right for a bit of algebra...
We used this blank sheet:
and, with Paint, coloured in sections. (Only the Rolf shapes were allowed.)
Next we named some areas of the shape: b c 
We could see quite quickly that b + c = a
So, armed with this, we were able to start describing all the areas in our designs with abcs. Like this:
Here's a slideshow of some of our creations:

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