Quadrilaterals

Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?

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...

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

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?

How many DIFFERENT quadrilaterals can be made by joining the dots on the 8-point circle?

Can you draw a square in which the perimeter is numerically equal to the area?

The large rectangle is divided into a series of smaller quadrilaterals and triangles. Can you untangle what fractional part is represented by each of the shapes?