Chinese legend has it that around 4000 years ago a turtle walked out of the Yellow River. It had spots on its back that formed a magic square…
Alex Bellos of Alex’s Adventures in Numberland fame has written an article in The Guardian about a stamp-series in Macau. (Stay with me!) The series highlights the history of Magic Squares. The stamps, worth 1-9 Patacs are even bought on sheets arranged into Magic Squares based not their monetary value! Could your students design a stamp series around a different mathematical topic?
An interesting read: Macau’s magic square stamps just made philately even more nerdy
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