Can you mark 4 points on a flat surface so that there are only two different distances between them?

A game in which players take it in turns to try to draw quadrilaterals (or triangles) with particular properties. Is it possible to fill the game grid?

A game in which players take it in turns to turn up two cards. If they can draw a triangle which satisfies both properties they win the pair of cards. And a few challenging questions to follow...

Can you work out the fraction of the original triangle that is covered by the inner triangle?

Construct a line parallel to one side of a triangle so that the triangle is divided into two equal areas.

Figures of Eight came out nicely; using some good ideas about area ratio and a very efficient spreadsheet.

Gillian Hatch analyses what goes on when mathematical games are used as a pedagogic device.

A game for 2 or more people, based on the traditional card game Rummy. Players aim to make two `tricks', where each trick has to consist of a picture of a shape, a name that describes that shape, and two properties of the shape.