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This is a demo site for The Challenge Machine. Live version (Worcestershire LEA only) - go to http://challenge-machine.net
Permanent url (permalink):
http://demo.challenge-machine.net/creators/06edward/items/completely_mental_maths
Embeddable widget (copy the html snipplet below into another website) - "object" version
Embeddable widget (copy the html snipplet below into another website) - "iframe" version