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Quarter the Cross

At the end of last year, the MTBoS (Math(s) Twitter Blog-o-Sphere) introduced me to this very interesting task: you have a cross made of four equal squares, and you are supposed to colour in exactly 1/4 of the cross and justify why you know it’s a quarter. I call it “Quarter the Cross”.

(The teachers who […]

Posted in Isn't maths cool?, One Hundred Factorial, Thoughts about maths thinking | Tagged , , , |

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