Can you predict, without drawing, what the perimeter of the next shape in this pattern will be if we continue drawing them in the same way?
Compare the numbers of particular tiles in one or all of these three designs, inspired by the floor tiles of a church in Cambridge.
In this investigation, we look at Pascal's Triangle in a slightly different way - rotated and with the top line of ones taken off.
In this investigation, you are challenged to make mobile phone numbers which are easy to remember. What happens if you make a sequence adding 2 each time?
Which of these pocket money systems would you rather have?
These grids are filled according to some rules - can you complete them?