Chess Coin
Subject: Computing
Age range: Age not applicable
Resource type: Game/puzzle/quiz
The Chess Coin works in a similar way to a chess die.
Each side of the coin has three figurines, so that’s six figurines for both sides. Each figurine is enclosed in a sector with an angle measuring 120 degrees.
When the Chess Coin is flipped, the figurine most upright towards north is the one that’s played, bearing in mind that all moves must be legal.
The probability of getting a king is 1/2, but it also needs to be the one that’s most upright towards north, which is 1/3.
The ‘And Rule’ is applied, which means both probability outcomes are multiplied.
(1/2) x (1/3) = 1/6
This is the same probability as getting a king when rolling a six-sided die.
The Chess Coin is easy to assemble, as it only involves cutting around two circles and gluing them together back to back.
You can also decorate your Chess coin as required.
Card is recommended for printing, but normal paper can also be used and then glued onto card for extra solidity.
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