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Des activités choisies pour initier votre classe à la résolution d’énigmes.

Principle Describe and accurately recreate a layout of geometric shapes.

Principle Create a paving

While hiking in the mountains, Logan passed the same spot at the same time—twice. He’s certain of it! But how?

Principle Put the 5-square pieces back

Principle Create the polygon with the greatest number of edges possible using only straws and paperclips.

Principle Starting with a rectangle, keep cutting out the largest possible squares and see what’s left.

Principle Estimate how many macaroni pieces can fit in one cubic meter.

Roll the dice and move around the clock. With just two pieces of information, I’ll find the value of the first die. But how did I do it?

We can clearly see the magician counting the cards, but how does he find the total of the numbers? He doesn’t know them!

The magician predicts the total that will be obtained. How does she do it?

How can you slice a loaf of bread into 8 pieces using only 3 cuts of a knife?