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Activities/Turtle Art/Tutorials/Conservation of Number (view source)
Revision as of 13:40, 15 July 2011
, 13:40, 15 July 2011New stub
Jean Piaget was in part inspired to study child development by the story a mathematician told him of discovering that no matter how he arranged a small number of pebbles, there was always the same number. Let's make some arrangements.
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