Your Solutions

Take a look at these recently solved problems.

Double or Halve?

Age 5 to 7
Challenge Level

Throw the dice and decide whether to double or halve the number. Will you be the first to reach the target?


Age 5 to 14
Challenge Level

Can you work out how to win this game of Nim? Does it matter if you go first or second?


Age 7 to 11
Challenge Level

In this game for two players, take it in turns to shade one petal, or two petals next to each other. Is it better to go first or second?