 How do the investigations work? |  How do you answer questions? |  How do you correct mistakes? |  What is the golden key for? |
 How do the pages work with lots of sums? |  What is Fill down? |  What are the buttons at the bottom? |  How do the traffic lights work? |
 How do you find your way around? |  How do you get lots of points? |  How do you choose what to do? |  What happens when it is time to stop? |