Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
Here is a machine with four coloured lights. Can you make two lights switch on at once? Three lights? All four lights?
Can you find a way to identify times tables after they have been shifted up or down?
Use the animation to help you work out how many lines are needed to draw mystic roses of different sizes.
How many pairs of numbers can you find that add up to a multiple of 11? Do you notice anything interesting about your results?
In this investigation, we look at Pascal's Triangle in a slightly different way - rotated and with the top line of ones taken off.
Can you complete this jigsaw of the multiplication square?
Can you complete this jigsaw of the 100 square?
