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The resources in this feature introduce you to the world of networks and graph theory, which has many real life applications. You don't need any prior knowledge, so jump in and have a play, and see which theorems you can discover!
game
Sprouts
A game for 2 people. Take turns joining two dots, until your opponent is unable to move.
problem
Who's who?
Age
11 to 16
Challenge level
Can you solve the clues to find out who's who on the friendship graph?
problem
The bridges of Konigsberg
Age
11 to 18
Challenge level
Investigate how networks can be used to solve a problem for the 18th Century inhabitants of Konigsberg.
problem
Can you traverse it?
Age
14 to 18
Challenge level
How can you decide if a graph is traversable?
problem
Network trees
Age
14 to 18
Challenge level
Explore some of the different types of network, and prove a result about network trees.
article
If I share, will my friends share too?
Read about how mathematicians used network theory to predict the spread of disease among teenagers.