Préparation de la période 1 et premiers documents
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Dessins géométriques avec les 6e pour l'année 2017-2018
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#######################################################
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:date: 2017-08-26
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:modified: 2017-08-26
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:authors: Bertrand Benjamin
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:category: 5e
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:tags: Geométrie
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:summary: Activités de reproductions de figures et introduction du codage avec les 6e pour l'année 2017-2018.
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Étape 1
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=======
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Reproduction figure simple
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Étape 2
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=======
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Vérification et premiers codages
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Étape 3
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=======
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Bilan avec une belle figure vérifiée et le codage entier.
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Étape 4
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=======
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2e reproduction avec un cercle.
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Possibilité d'aller sur l'agrandissement avec les plus forts.
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Étape 5 (2fois 1/2heure)
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========================
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Élaboration d'un croquis à faire dessiner par son camarade.
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Étape 6
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=======
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Activités de reproduction avec agrandissement.
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Dessins géométriques avec les 6e pour l'année 2017-2018
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#######################################################
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:date: 2017-08-26
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:modified: 2017-08-26
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:authors: Bertrand Benjamin
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:category: 5e
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:tags: Reperage, Algorithme
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:summary: Repérage sur une carte et algorithme de déplacement avec les 6e pour l'année 2017-2018.
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Étape 1
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=======
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Découverte du collège et de son emploi du temps.
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Les élèves placent le nom des bâtiments sur la carte puis dessinent le trajet qu'ils vont faire chaque jour.
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Étape 2
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=======
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Se repérer sur un plan. Comment expliquer le trajet entre un point et un autre?
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Étape 3
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=======
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Communication d'un chemin entre deux élèves.
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Un élève a le plan avec le nom des bâtiments, pour l'autre tous les bâtiments sont identiques. Les élèves s'expliquent comment aller d'un point à un autre.
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Préparer différentes difficultés sur les cartes.
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Étape 4
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=======
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Formalisation d'un chemin (algorithme) reliant deux points.
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Découverte de différentes numérations avec les 6e pour l'année 2017-2018
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########################################################################
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:date: 2017-08-26
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:modified: 2017-08-26
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:authors: Bertrand Benjamin
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:category: 5e
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:tags: Nombres
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:summary: Découverte des numérations préhistoriques, Shadockienne et décimale avec les 6e pour l'année 2017-2018.
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Étape 1
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=======
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Découverte de la numération préhistorique (base 12) avec les phalanges d'une main.
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Étape 2
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=======
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Numération Shadock avec le regroupement en poubelles
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Conversion d'un nombre Shadock en nombre décimal (et inversement).
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Étape 3
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=======
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Retour à la numération préhistorique mais avec les phalanges des deux mains.
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Utilisation d'images fortement peuplées pour mettre en évidence l'utilité du groupement.
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Étape 4
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=======
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Conversion base 12 et décimaux.
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Étape 5
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=======
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Compté avec notre numération décimale. Regroupement d'individus sur une image fortement peuplée.
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Étape 6
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=======
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Introduction des grands nombres: successeur, précédent, comparaison et vocabulaire.
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Étape 7
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=======
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Multiplication par un multiple de 10.
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Redécouverte des opérations sur les entiers avec les 6e pour l'année 2017-2018
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##############################################################################
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:date: 2017-08-26
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:modified: 2017-08-26
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:authors: Bertrand Benjamin
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:category: 5e
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:tags: Opérations,
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:summary: Problèmes pour apprendre à choisir la bonne opération et à rédiger avec les 6e pour l'année 2017-2018.
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Étape 1
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=======
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Banque de problèmes mobilisant les 3 opérations: +, -, x.
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On insiste sur la rédaction, sur technique pour poser les opérations et on introduit la calculatrice.
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Étape 2
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=======
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Problème de crêpes.
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Étape 3
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=======
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Tache complexe pour forcer la rédaction.
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(soit la facture ou un problème avec tâtonnement)
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@ -0,0 +1,38 @@
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Mesurer une longueur et découvrir les fractions avec les 6e pour l'année 2017-2018
|
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##################################################################################
|
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|
|
||||||
|
:date: 2017-08-26
|
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|
:modified: 2017-08-26
|
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|
:authors: Bertrand Benjamin
|
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|
:category: 5e
|
||||||
|
:tags: Unité, Fractions
|
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|
:summary: Mesure d'objet et découverte des fractions avec les 6e pour l'année 2017-2018.
|
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|
|
||||||
|
|
||||||
|
Étape 1
|
||||||
|
=======
|
||||||
|
|
||||||
|
Les élèves mesurent des objets de la classe avec la `bande unité <./unite_longueur.pdf>`_ et écrivent le résultat sur le cahier de recherche. On fait apparaitre que certains objets ne peuvent pas se mesurer exactement et on précise alors "+ quelque chose" sans insister comment faire mieux.
|
||||||
|
|
||||||
|
En guise de bilan, on colle la bande unité et on indique la longueur de certain objets.
|
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|
|
||||||
|
Étape 2
|
||||||
|
=======
|
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|
|
||||||
|
Les élèves mesurent leur avant-bras et on classe les élèves en fonction de cette longueur.
|
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|
On pose la question aux élèves: comment être plus précis? Et on essaie de faire ressortir le besoin de plier la bande unité.
|
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|
|
||||||
|
Étape 3
|
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|
=======
|
||||||
|
|
||||||
|
Comme trouvé dans l'étape précédent, on mesure à nouveau nos avant bras avec la bande unité pliée. Pour noter notre mesure, on introduit la notation avec les fractions.
|
||||||
|
|
||||||
|
On peut refaire cette étape avec toutes les fractions proposées par les élèves.
|
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|
|
||||||
|
|
||||||
|
Étape 4
|
||||||
|
=======
|
||||||
|
|
||||||
|
Découverte de nouvelle fraction à travers la mesure d'objets.
|
||||||
|
Mesure avec différentes fractions d'unités.
|
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|
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After Width: | Height: | Size: 8.0 KiB |
|
|
@ -2,7 +2,7 @@ Déroulement de l'année 2017-2018 avec les 6e
|
||||||
############################################
|
############################################
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||||||
|
|
||||||
:date: 2017-08-24
|
:date: 2017-08-24
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||||||
:modified: 2017-08-24
|
:modified: 2017-08-26
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||||||
:authors: Bertrand Benjamin
|
:authors: Bertrand Benjamin
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||||||
:category: 5e
|
:category: 5e
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:tags: Progression
|
:tags: Progression
|
||||||
|
|
@ -37,7 +37,7 @@ Période 2
|
||||||
- (G) Programme de construction
|
- (G) Programme de construction
|
||||||
- (N) Proportionnalité 1
|
- (N) Proportionnalité 1
|
||||||
- (G) Parallèles et perpendiculaires
|
- (G) Parallèles et perpendiculaires
|
||||||
- Mesurer une longeur et décimaux
|
- (U) Mesurer une longueur et décimaux
|
||||||
|
|
||||||
Période 3
|
Période 3
|
||||||
---------
|
---------
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue