import work from year 2016-2017

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Benjamin Bertrand
2017-06-16 09:49:23 +03:00
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Notes sur les probabilités pour les 5e
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:date: 2016-11-13
:modified: 2016-11-13
:tags: probabilité
:category: 5e
:authors: Bertrand Benjamin
:summary: Découverte des probabilités pour les 5e.
Étape 1
=======
On propose 3 jeux:
- Un dé
- Un jeu de cartes
- Une pièce
Les élèves travaillent en binôme. Chacun choisi un jeu et doit écrire une règle pour gagner, du genre
Avec le ..., je gagne quand ...
Une fois qu'ils ont écrit la règle, ils peuvent récupérer le jeu.
Plusieurs règles sont écrites au tableau et on se pose la question: Quelle est la règle qui me permet de gagner le plus souvent? On essaie d'y répondre.
Ils jouent à leur jeu avec leur règles en comptabilisant le nombre de partie et le nombre de victoire (`support de jeu <./table_jeu.pdf>`_). On essaie à nouveau de répondre à la question.
Ouvertures possibles:
- calculer des fréquences
- Tracer des diagrammes
- Trouver des fractions pour mesurer la chance

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