Enoncé
D’une citerne contenant 1 200L d’eau, on a soutiré 75L, puis 169L et enfin 260L.
Question
Quelle quantité d’eau reste-t-il dans la citerne ?
Chronique d'une vie de classe
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D’une citerne contenant 1 200L d’eau, on a soutiré 75L, puis 169L et enfin 260L.
Quelle quantité d’eau reste-t-il dans la citerne ?
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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