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?