Can you put these four calculations into order of difficulty? How did you decide?
Jennifer Piggott and the NRICH team introduce Nim-like games to help children think creatively in mathematics.
This problem is based on the story of the Pied Piper of Hamelin. Investigate the different numbers of people and rats there could have been if you know how many legs there are altogether!
Draw some angles inside a rectangle. What do you notice? Can you prove it?
You'll need to work in a group for this problem. The idea is to decide, as a group, whether you agree or disagree with each statement.
Can you work out how to win this game of Nim? Does it matter if you go first or second?
