The aim of these resources is simple: to enable you to develop your skills of geometrical construction.
You will be able build mathematical shapes out of points, lines and circles. Then you can change the diagrams yourself using the mouse and see the effect these changes have on the mathematical properties of the shapes.

To begin, select one of the levels, Foundation, Intermediate or Advanced, at the top right, then use the coloured grids. Moving down the grid changes the topic to something a little harder, moving left or right changes a small aspect of the topic. shows where you are.