Topology
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pageMaking maths: walking through a playing card?
It might seem impossible but it is possible. How can you cut a playing card to make a hole big enough to walk through? -
articleSymmetric tangles
The tangles created by the twists and turns of the Conway rope trick are surprisingly symmetrical. Here's why! -
articleTangles
A personal investigation of Conway's Rational Tangles. What were the interesting questions that needed to be asked, and where did they lead? -
articleGoing places with mathematicians
This article looks at the importance in mathematics of representing places and spaces mathematics. Many famous mathematicians have spent time working on problems that involve moving and mapping things. -
articleBands and bridges: bringing topology back
Lyndon Baker describes how the Mobius strip and Euler's law can introduce pupils to the idea of topology. -
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articleMore on mazes
There is a long tradition of creating mazes throughout history and across the world. This article gives details of mazes you can visit and those that you can tackle on paper. -
articleThe Konigsberg bridge problem
This article for pupils describes the famous Konigsberg Bridge problem.
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articleThe development of spatial and geometric thinking: 5 to 18
This is the first article in a series which aim to provide some insight into the way spatial thinking develops in children, and draw on a range of reported research. The focus of this article is the work of Piaget and Inhelder.