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This item is one of over 25,000 physical resources available from the Resources Collection. The Archive Collection covers over 50 years of curriculum development in the STEM subjects. The Contemporary Collection includes all the latest publications from UK educational publishers.

The Muddy City - Minimal Spanning Trees

Our society is linked by many networks: telephone networks, utility supply networks, computer networks, and road networks. For a particular network there is usually some choice about where the roads, cables, or radio links can be placed. This resource explores the need to find ways of efficiently linking objects in...

The museum problem

A floor plan is shown from a museum. The challenge is to place two security guards so that they will be able to keep watch on the whole museum

This books contains a collection of thoughts on mathematics by mathematicians, writers, scientists and artists and others. 

This item is one of over 25,000 physical resources available from the Resources Collection. The Archive Collection covers over 50 years of curriculum development in the STEM subjects. The Contemporary Collection includes all the latest publications from UK educational publishers.

The mysterious case of the elephant that forgot

Plunged into a dystopian world of hard hats and high vis jackets Frankie sets out to unravel ‘The mysterious case of the elephant that forgot‘, and on the way finds out a load of stuff about engineers that not a lot of people know.

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The mysterious case of the sinking flamingo (key stage 2)

Meet Frankie the flamingo and her assorted sidekicks as they unravel the mystery of the sinking flamingo. This resource provides a narrated picture book video, which explains what happens to rainwater and wastewater once it enters the sewers and how water is supplied to buildings. Included are activity sheets which...

The Mysterious Changing Beverage Trick

This magic trick uses indicators, an acid and an alkali to change a glass of water into different 'drinks'. A conical flask (or beaker) contains a green liquid. When it is poured into the first empty flask the liquid will change to a light red colour; becoming rosé wine. As this light red beverage is poured into...

This item is one of over 25,000 physical resources available from the Resources Collection. The Archive Collection covers over 50 years of curriculum development in the STEM subjects. The Contemporary Collection includes all the latest...

The mystery coin problem

This puzzle provides an introduction to simultaneous equations in three variables. Three combinations of coins are shown, together with the total value for each pair. The challenge is to calculate the value of each coin.

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