Sliding Bus Puzzle
On the ‘sliding bus’ you can only change places by moving into an empty space that is next to you. You need to move from the seat in one corner to the seat in the opposite corner and the only space is in one of the other corners! How many moves will it take? This is a good puzzle you can solve by making the bus yourselves in the classroom and moving yourselves around. Investigate what happens as the bus gets bigger...