Pour réaliser les affiches de la kermesse de leur école, des enfants découpent des bandes de papier dans un rouleau de 30 m. Ils utilisent d’abord
3,75 m pour l’entrée de l’école, puis ils confectionnent 35 affiches avec le reste.
Quelle est, en m, la hauteur d’une affiche ?
Lors de ce rituel, les élèves doivent tenter de résoudre un problème donné.
La démarche de résolution et la compréhension du problème donné compte plus que le résultat.
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