Too Close!


Featured Activity



The classic problem of using two unmarked jugs to measure exactly a given quantity. The Transum version is interactive and awards a virtual trophy for each of the levels completed.

Herding Sheep - A Maths Challenge

This activity provides a practical introduction to the topic of loci.

Drag the images of sheep so that their position conforms to the 'Situation' described in the panel at the top left of the page. Click the 'Check' button in the panel at the top right of the page to see how many of the sheep are in the correct place.

A tick or a cross on each sheep will show you how well you are doing. Move the incorrectly positioned sheep then press the 'Check' button again. When all ten sheep are in the correct position press the 'Next' button that will appear.

There is a limit to how accurately the system can check your placings due to screen resolution and browser differences. A degree of tolerance is built into the system.

You may wish to take a screen shot of your successful attempts to keep for future reference in your notes.

Many of the principles of loci are covered in this interactive exercise. [In mathematics, a locus (plural: loci) is a set of all points whose location satisfies or is determined by one or more specified conditions.]

See also People Loci and Goat Grazing.

The sheep are outstanding in their field.


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