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Graph Theory and Networks

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The resources in this feature are designed as an introduction to the world of graph theory and networks, which has many real life applications. You don't need any prior knowledge, so jump in and have a play, and see what theorems you can discover!

You can also discover more about networks in these Plus articles.

The Bridges of Konigsberg
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The Bridges of Konigsberg

Age
11 to 18
Challenge level
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Investigate how networks can be used to solve a problem for the 18th Century inhabitants of Konigsberg.
Can you traverse it?
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Can you traverse it?

Age
14 to 18
Challenge level
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How can you decide if a graph is traversable?

Network Trees
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Network Trees

Age
14 to 18
Challenge level
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Explore some of the different types of network, and prove a result about network trees.
Euler meets Schlegel
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Euler meets Schlegel

Age
16 to 18
Challenge level
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Discover how networks can be used to prove Euler's Polyhedron formula.