import work from year 2016-2017
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5e/Nombres_et_calculs/Fraction_decimaux/503-partage_billes.pdf
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5e/Nombres_et_calculs/Fraction_decimaux/division17par7.pdf
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5e/Nombres_et_calculs/Fraction_decimaux/division17par7.tex
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5e/Nombres_et_calculs/Fraction_decimaux/division17par7.tex
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\documentclass[a5paper,12pt]{/media/documents/Cours/Prof/Enseignements/2016-2017/tools/style/classExo}
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\usepackage{/media/documents/Cours/Prof/Enseignements/2016-2017/theme}
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% Title Page
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\titre{Fraction et forme décimale - Exercices}
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% \seconde \premiereS \PSTMG \TSTMG
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\classe{Cinquième}
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\date{Mai 2017}
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%\geometry{left=5mm,right=5mm, bottom= 5mm, top=5mm}
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\pagestyle{empty}
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\newcommand{\lexo}{%
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\setcounter{exo}{0}
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\begin{Exo}[Problèmes qui se ressemblent]
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Sans calculatrice répondre aux problèmes suivants.
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\begin{enumerate}
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\item Bob partage de manière équitable ses 17 billes entre ses 7 amis. Quelle est la part de chacun ?
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\item Abdou peut porter 7litres d'eau par voyage. Combien de voyage devra-t-il faire pour transporter 17litres?
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\item Bill partage de manière équitable 17 euros entre 7 personnes. Quelle est la part de chacun ?
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\item Un segment $[AB]$ de longueur 17 unités est partagé en 7 segments de même longueur.
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\includegraphics[scale=0.9]{./fig/segmentAB}
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Quelle est la longueur de chacun des 7 segments ?
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\end{enumerate}
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\end{Exo}
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}
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\begin{document}
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\lexo
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\lexo
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%%% End:
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5e/Nombres_et_calculs/Fraction_decimaux/division17par7_a4.pdf
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5e/Nombres_et_calculs/Fraction_decimaux/index.rst
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5e/Nombres_et_calculs/Fraction_decimaux/index.rst
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Notes sur la construction et l'égalité entre fractions pour les 5e
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#####################################################################
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:date: 2017-04-28
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:modified: 2017-04-28
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:tags: Nombres et calculs, Fraction
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:category: 5e
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:authors: Bertrand Benjamin
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:summary: Le chapitre la construction de fraction et de l'égalité entre fractions.
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Étape 1
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-------
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À partir de `dessins <./surface partagee.pdf>`_, on retrouve les fractions associées. C'est le moment de voir quelques égalités entre les fractions.
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On les laisse toutes les chercher puis on commence à corriger la première (réajustement pour les plus faibles).
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Défis pour les 4 dernières:
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- Figure 4: Trouver une fraction avec dénominateur 80
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- Figure 5: Trouver une fraction avec le plus grand dénominateur
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- Figure 6 et 7: fraction avec le plus petit dénominateur.
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Les vacances sont arrivées un peu vite. Il faut donc reprendre après! C'est l'occasion d'ajouter les fractions de longueurs.
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- `Surfaces et longueurs partagées présentation <./surface_longueurs_partagees.pdf>`_
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- `Surfaces et longueurs partagées élèves <./surface_longueurs_partagees_eleves.pdf>`_
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Étape 2
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-------
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La séquence 1 a été l'occasion d'écrire des égalités a/b = ca/cb. On cherche à remplir les pointillés dans a/b = .../cb
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||||
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