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'2 Rings' printed from http://nrich.maths.org/
Two very special circles are on the floor:
Very special because they can get bigger or smaller - as you
So you might like them to be like this:
Maybe you like things small - so you would have:
I'd like the blue one to grow:
Whoa! That looks different.
The Red is inside the Blue.
So the Red and the Blue can grow - just as you like.
We've seen the Red INSIDE the Blue.
Can we change things so that we might use other words like:
Have a go. Send us some pictures of what you do - we'd love to see
If you enjoyed this problem, you might like to try 3 Rings