Try continuing these patterns made from triangles. Can you create your own repeating pattern?
Can you help the children in Mrs Trimmer's class make different shapes out of a loop of string?
How many different ways can you find to join three equilateral triangles together? Can you convince us that you have found them all?
Watch this "Notes on a Triangle" film. Can you recreate parts of the film using cut-out triangles?
How many triangles can you make using sticks that are 3cm, 4cm and 5cm long?