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Winning Team

Nine cross country runners compete in a team competition in which there are three matches. If you were a judge how would you decide who would win?

Inspector Morse

You may like to read the article on Morse code before attempting this question. Morse's letter analysis was done over 150 years ago, so might there be a better allocation of symbols today?

History of Morse

This short article gives an outline of the origins of Morse code and its inventor and how the frequency of letters is reflected in the code they were given.

Who's the Best?

Age 11 to 14 Challenge Level:


In this problem, we needed to find a way to use the Olympic medal tally in order to work out which country is the most sporty.

Gianluca from Salesian School in Chertsey sent us his excellent analysis of the Olympic tally. He made use of a scoring system for each type of medal and also took into account the population of each country. You can find his analysis here, thank you Gianluca!