problem
Favourite
Shaping it
These pictures were made by starting with a square, finding the half-way point on each side and joining those points up. You could investigate your own starting shape.
problem
Favourite
Cubes
How many faces can you see when you arrange these three cubes in different ways?
problem
Favourite
Through the window
My local DIY shop calculates the price of its windows according to the area of glass and the length of frame used. Can you work out how they arrived at these prices?