Recipes for surprising Mathematics from Dan Meyer

16 06 2016

I love this approach. Thanks Dan.

When teaching probability and trialling the outcome of tossing a 6 sided dice 50 or 100 times I always select a group who are asked to refrain from conversation as the class discusses their results. They are primed to say that they have obeyed the same instructions as the rest of the class. This group have dice with 4,5,8,10 sides etc. 

For the purpose of discussion I project the class results for tossing  1,2,…,5,6. 

As the class members enter their results conversation starts about the chosen group. They are accused of cheating or not doing as told. Finally someone will realise that the group have dice with a different number of sides to theirs. 

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