article
Circles, Circles Everywhere
This article for pupils gives some examples of how circles have featured in people's lives for centuries.
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Differential Equation Matcher
16 to 18
Match the descriptions of physical processes to these differential equations.
problem
A Square Deal
7 to 11
Complete the magic square using the numbers 1 to 25 once each. Each
row, column and diagonal adds up to 65.
problem
Capture and Recapture
11 to 16
How do scientists or mathematicians estimate the size of a population of wild animals?
article
Who Is an Engineer? a Quick Perspective After One Year of a University Engineering Course
Doug has just finished the first year of his undergraduate engineering course at Cambridge University. Here he gives his perspectives on engineering.
problem
Do Rare Events Happen?
11 to 16
I'd be very surprised if I had three children all with the same birthday, but I read in the paper that it happened to one family...
problem
World of Tan 21 - Almost There Now
7 to 11
Can you fit the tangram pieces into the outlines of the lobster, yacht and cyclist?