Nim-7
source link: https://nrich.maths.org/1204
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Nim-7
Age 5 to 14
Challenge Level
This is a basic form of the ancient game of Nim.
You will need seven objects, such as counters or blocks. It is a game for two players.
Watch the video below to find out how to play:
If you cannot access the video, click below to read the rules.
Play several times so that you get a good 'feel' for the game.
Are there any points in the game, before the end, when you know who the winner is going to be? How do you know?
Can you find a way to play so that you are sure you will win right from the start?
Does it matter who has the first turn? Why or why not?
Once you are an expert at this game, you may like to try playing Daisy, which is another Nim-like game.
Printable NRICH Roadshow resource.
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