Tagged: addition

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Macau’s Magic Square Stamps

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...

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Making 100

Pupils write out the digits 1 to 10 like this: 1   2   3   4   5   6   7   8   9   10 The aim is to create an expression that equals 100 by putting as many + – X and / signs between the digits as they like. You might like to demo...