A gallery of beautiful photos of cast ironwork friezes in Australia with a mathematical discussion of the classification of frieze patterns.
Patterns that repeat in a line are strangely interesting. How many types are there and how do you tell one type from another?
Some local pupils lost a geometric opportunity recently as they surveyed the cars in the car park. Did you know that car tyres, and the wheels that they on, are a rich source of geometry?
Try using a mirror to check your
Try keeping the biggest shape fixed in one position, place the
rectangle systematically in all possible positions, and see whether
the square can be added to make a symmetrical shape.