There are lots of different methods to find out what the shapes are worth - how many can you find?
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.
Can you find the values at the vertices when you know the values on the edges?
Draw some quadrilaterals on a 9-point circle and work out the angles. Is there a theorem?
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
Simple models which help us to investigate how epidemics grow and die out.
Sequences of multiples keep cropping up...
Here is a chance to play a fractions version of the classic Countdown Game.
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 parallelogram.
I'd be very surprised if I had three children all with the same birthday, but I read in the paper that it happened to one family...
