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Making 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?
Topology
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articleThe Konigsberg Bridge Problem
This article for pupils describes the famous Konigsberg Bridge problem.
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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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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.
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articleA Curious Collection of Bridges
Read about the problem that tickled Euler's curiosity and led to a new branch of mathematics!
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articleEuler's Formula and Topology
Here is a proof of Euler's formula in the plane and on a sphere together with projects to explore cases of the formula for a polygon with holes, for the torus and other solids with holes and the relationship between Euler's formula and angle deficiency of polyhedra.