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Les MET dans BaREM

Les MET dans BaREM


Nous proposons 60 mises en train autour de la proportionnalité.

↪ Le choix de la proportionnalité

La proportionnalité est transversale à tout le cycle 4 :

  • au cycle 4, les activités autour de la proportionnalité prolongent celles du cycle 3. Au fur et à mesure de l'avancement du cycle, les élèves diversifient les points de vue et apprennent à choisir une méthode adaptée au problème de proportionnalité auquel ils sont confrontés ;
  • au cycle 4, les élèves doivent faire le lien entre la proportionnalité et les pourcentages, les échelles et les fonctions linéaires, mais aussi entre la proportionnalité et des notions rencontrées dans d’autres thèmes du programme : théorème de Thalès, homothéties et leurs effets sur les grandeurs, triangles semblables.

Grâce à cette transversalité temporelle et notionnelle, la proportionnalité est particulièrement adaptée à l’approche spiralaire par mises en train.

 

↪ Des énoncés et leur accompagnement

Chacune des MET proposées est constituée d’un énoncé vidéo-projetable associé à une fiche d’accompagnement pour l’enseignant.
Cette fiche d’accompagnement précise le ou les objectifs d’apprentissage de la MET, les modalités pédagogiques spécifiques (si nécessaire), les réponses et procédures attendues, ainsi qu’un bilan indicatif de ce qui pourrait émerger de la mise en commun et être construit avec les élèves à la fin de la mise en train.

 

↪ Sommaire des mises en train proposées

Les mises en train sont organisées en 10 modules, à destination de l’enseignant, contenant chacun 6 mises en train (6 énoncés vidéo-projetables et les 6 fiches d’accompagnement correspondantes).

Chaque module permet de traiter un aspect de la proportionnalité.

Module 1 ∙ Proportionnel ou non (début de cycle) MET 01 à 06
Module 2 ∙ Situations courantes de proportionnalité (début de cycle) MET 07 à 12
Module 3 ∙ Pourcentages (début et milieu de cycle) MET 13 à 18
Module 4 ∙ Relation longueur – périmètre – aire – volume (début de cycle) MET 19 à 24
Module 5 ∙ Vitesse (milieu de cycle) MET 25 à 30
Module 6 ∙ Masse volumique (fin de cycle) MET 31 à 36
Module 7 ∙ Agrandissement (milieu et fin de cycle) MET 37 à 42
Module 8 ∙ Échelles (6 MET / milieu et fin de cycle) MET 43 à 48
Module 9 ∙ Proportionnalité dans les triangles (6 MET / fin de cycle) MET 49 à 54
Module 10 ∙ Fonctions (6 MET / fin de cycle) MET 55 à 60

 

Quelques exemples

MET 03 (module 1. Proportionnel ou non)
 

     

MET 37 (module 7. Agrandissement)
 

    

 

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Lire aussi

  • ↪ Qu’est-ce qu’une mise en train ? Une mise en train (MET) est une activité de début de séance permettant d’introduire, par une approche spiralaire , les savoirs et les savoir-faire au moment du...

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  • ↪ Pour afficher les 10 modules Saisir « mise en train » dans la barre de recherche et cliquer sur « OK », puis choisir « Module » dans le filtre Granularité : Les 10 modules apparaissent : Chaque...

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  • ↪ Utilisation d’un module Au sein de chaque module thématique, les MET sont ordonnées pour permettre de construire une notion à petits pas. La présentation en modules permet à l’enseignant d’...

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