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<p>It is possible to identify a particular card out of a pack of 15 with the use of some mathematical reasoning. What is this reasoning and can it be applied to other numbers of cards</p>
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<p>It is possible to identify a particular card out of a pack of 15 with the use of some mathematical reasoning. What is this reasoning and can it be applied to other numbers of cards</p>
A very nice card based puzzle which poses the question "Can this trick work with more cards?" There is a video linked to the resource and all of the answers and teacher notes can be found on the link too. I like this and would use it as an investigation lesson where I would allow the pupils to have a play around with some cards and come up with their own theories/solutions.