In this investigation we are going to count the number of 1s, 2s, 3s etc in numbers. Can you predict what will happen?
This problem explores the shapes and symmetries in some national flags.
95% of people in Britain should live within 10 miles of the route of the Olympic Torch tour. Is this true?
On the grid below, choose $13$ spots by clicking on them.
You will see that as you click more spots, your score changes.
Can you work out how the scoring system works? We would love to hear what you did in order to test out your ideas.
Which spots should you choose to produce the maximum possible score? How do you know that this is the maximum?