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Puzzles

Try your hand at some tricky trig!

Puzzle page: The Möbius Challenge

Set your beloved heart a-flutter with this mathematical valentine

Count up your booty of jewels and potions!

The 3 3 8 8 puzzle

A greek soldier, and a persion soldier walk into a battle...

Pappus' Theorem

Similar triangles and colouring the plane

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Maths in a minute

Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.

A geometry for strings

If, as string theory suggests, the world is made of strings, then what does that mean for a geometry of points? Find out more in this video.
Mysterious 6174

Start with your favourite four-digit number, follow these simple steps, and you'll never guess what happens next!
Maths in a minute: The d'Hondt method

How does the voting system for the European Parliament elections work?
Pure maths in crisis?

Proof is the essence of mathematics. But is the standard of proof in research maths really as high as mathematicians would like to believe?
Phantom jams

How to unjam traffic.

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