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There are 7 NRICH Mathematical resources connected to Networks/graph theory, you may find related items under Decision mathematics and combinatorics.
Broad Topics > Decision mathematics and combinatorics > Networks/graph theoryThink about the mathematics of round robin scheduling.
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.
This article invites you to get familiar with a strategic game called "sprouts". The game is simple enough for younger children to understand, and has also provided experienced mathematicians with significant food for thought.
This article for teachers discusses examples of problems in which there is no obvious method but in which children can be encouraged to think deeply about the context and extend their ability to think mathematically, especially geometrically.
I start my journey in Rio de Janeiro and visit all the cities as Hamilton described, passing through Canberra before Madrid, and then returning to Rio. What route could I have taken?
Without taking your pencil off the paper or going over a line or passing through one of the points twice, can you follow each of the networks?
Investigate the number of paths you can take from one vertex to another in these 3D shapes. Is it possible to take an odd number and an even number of paths to the same vertex?