Puzzle

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How big is the bird?

How big is the bird?
Sharing cakes

A deceptive brain teaser about profit sharing.
Weighing balls

This puzzle is apparently used in job interviews — would you pass?
Magic 19

Number the dots so that each line of three adds up to 22.
Creating squares

Be the first to mark the corners of a square to win this game!
Drips

Here's one of our favourite strategy games.
Dropping eggs

Stretch your mind with this mess-free egg puzzle.
Counter logic

A logic teaser in honour of George Boole.
Equal averages

Exploring the five different notions of average.
Crooked coin

Making a biased coin fair.
It's a long way to the top

In how many ways can you make it up the stairs?
Prime mystery

Making a very special number out of primes.
  • 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.

  • Chocolate and mayonnaise
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    What do chocolate and mayonnaise have in common? It's maths! Find out how in this podcast featuring engineer Valerie Pinfield.

  • From clicks to chords
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    Is it possible to write unique music with the limited quantity of notes and chords available? We ask musician Oli Freke!

  • The lungs of the Earth

    How can maths help to understand the Southern Ocean, a vital component of the Earth's climate system?

  • SBIDER Presents: Shining a light on COVID modelling
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    Was the mathematical modelling projecting the course of the pandemic too pessimistic, or were the projections justified? Matt Keeling tells our colleagues from SBIDER about the COVID models that fed into public policy.

  • Mathematical snapshots: Daniel Kreuter

    PhD student Daniel Kreuter tells us about his work on the BloodCounts! project, which uses maths to make optimal use of the billions of blood tests performed every year around the globe.