diff --git a/3e/Geometrie/Transformations/classer_transformations.pdf b/3e/Geometrie/Transformations/classer_transformations.pdf
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+           x="0"
+           y="0">Exercice des cocottes</tspan></text>
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+           y="85.592377">Chacune des cocottes blanches a été obtenue à partir de la grise par une transformation. </tspan><tspan
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+           id="tspan4536"> - Quelles sont les cocottes qui ont subit la même transformation?</tspan><tspan
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+           y="115.59238"> - Ecris une phrase pour décrire chaque transformation. </tspan><tspan
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diff --git a/3e/Geometrie/Transformations/index.rst b/3e/Geometrie/Transformations/index.rst
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+++ b/3e/Geometrie/Transformations/index.rst
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+Transformations de figures avec les 3e pour l'année 2017-2018
+#############################################################
+
+:date: 2017-11-13
+:modified: 2017-11-13
+:tags: Geometrie, Thales, Agrandissement, Symétries
+:category: 3e
+:authors: Bertrand Benjamin
+:summary: Rappels sur les transformations du plan, découverte de l'homothétie et approfondissement de Thalès avec les 3e pour l'année 2017-2018.
+
+Étape 1
+--------
+
+Classement des transformations et caractérisations des éléments importants à travers l'exercice des `cocottes <./classer_transformations.pdf>`_.
+
+Étape 2
+--------
+
+Que conserve chaque transformations?
+
+Étape 3
+--------
+