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All in the Mind

Imagine you are suspending a cube from one vertex and allowing it to hang freely. What shape does the surface of the water make around the cube?

Instant Insanity

Given the nets of 4 cubes with the faces coloured in 4 colours, build a tower so that on each vertical wall no colour is repeated, that is all 4 colours appear.

Is There a Theorem?

Draw a square. A second square of the same size slides around the first always maintaining contact and keeping the same orientation. How far does the dot travel?

Keep Your Distance

Age 11 to 14 Challenge Level:

Mark four points on a flat surface so that there are only two different distances between them. One arrangement is as shown.
equilateral triangle

How many more can you find?

Are you sure that you have them all?


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