Copyright © University of Cambridge. All rights reserved.
This is a game for two players. You will need 16 objects, like matchsticks or counters.
Set the objects out in a row of 7, a row of 5, a row of 3 and a row of just 1.
Players take turns in a choosing a row then removing any number of objects from that row.
The player left with the last object is the loser.
Try playing it with a different number of objects.
Try playing it with a different number of rows.
Can you find any winning strategies?
Does it matter who goes first?
(Thanks to Chris from Active Training Education who is champion at this game!)