diff --git a/6e/Calcul_Mental/P3/CM_18_02_12-01.pdf b/6e/Calcul_Mental/P3/CM_18_02_12-01.pdf
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diff --git a/6e/Calcul_Mental/P3/CM_18_02_12-01.tex b/6e/Calcul_Mental/P3/CM_18_02_12-01.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\usetikzlibrary{snakes}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Calcul mental}
+    \begin{center}
+        \huge 30 secondes par calcul
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 1}
+    \huge
+    \begin{eqnarray*}
+        3 \times 213 = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \[ 11 : 2 = \]
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    Calculer l'aire de la figure
+    \begin{center}
+        \begin{tikzpicture}
+            \filldraw[very thick, fill=blue!60] (-2,3) -- node[midway, sloped, below]{3cm}
+                    (-2,0) -- node[midway, below]{8cm}
+                    (3,0) -- (3,3) -- cycle;
+
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Combien vaut les $\dfrac{3}{4}$ de 8\euro?    
+    \begin{center}
+        \begin{tikzpicture}[scale=2]
+            \foreach \x in {1,...,4} {%
+                \draw (\x,0) circle (0.4cm) node {1\euro};
+                \draw (\x,1) circle (0.4cm) node {1\euro};
+            }
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/6e/Calcul_Mental/P3/CM_18_02_12-02.pdf b/6e/Calcul_Mental/P3/CM_18_02_12-02.pdf
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diff --git a/6e/Calcul_Mental/P3/CM_18_02_12-02.tex b/6e/Calcul_Mental/P3/CM_18_02_12-02.tex
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--- /dev/null
+++ b/6e/Calcul_Mental/P3/CM_18_02_12-02.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\usetikzlibrary{snakes}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Calcul mental}
+    \begin{center}
+        \huge 30 secondes par calcul
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 1}
+    \huge
+    \begin{eqnarray*}
+        4 \times 321  = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \[ 99 : 2 = \]
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    Calculer l'aire de la figure
+    \begin{center}
+        \begin{tikzpicture}
+            \filldraw[very thick, fill=blue!60] (-2,3) -- node[midway, sloped, below]{4cm}
+                    (-2,0) -- node[midway, below]{7cm}
+                    (3,0) -- (3,3) -- cycle;
+
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Combien vaut les $\dfrac{1}{4}$ de 8\euro?    
+    \begin{center}
+        \begin{tikzpicture}[scale=2]
+            \foreach \x in {1,...,4} {%
+                \draw (\x,0) circle (0.4cm) node {1\euro};
+                \draw (\x,1) circle (0.4cm) node {1\euro};
+            }
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/6e/Calcul_Mental/P3/CM_18_02_12-03.pdf b/6e/Calcul_Mental/P3/CM_18_02_12-03.pdf
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diff --git a/6e/Calcul_Mental/P3/CM_18_02_12-03.tex b/6e/Calcul_Mental/P3/CM_18_02_12-03.tex
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--- /dev/null
+++ b/6e/Calcul_Mental/P3/CM_18_02_12-03.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\usetikzlibrary{snakes}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Calcul mental}
+    \begin{center}
+        \huge 30 secondes par calcul
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 1}
+    \huge
+    \begin{eqnarray*}
+        5 \times 324  = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \[ 99 : 3 = \]
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    Calculer l'aire de la figure
+    \begin{center}
+        \begin{tikzpicture}
+            \filldraw[very thick, fill=blue!60] (-2,3) -- node[midway, sloped, below]{5cm}
+                    (-2,0) -- node[midway, below]{9cm}
+                    (3,0) -- (3,3) -- cycle;
+
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Combien vaut les $\dfrac{4}{5}$ de 10\euro?    
+    \begin{center}
+        \begin{tikzpicture}[scale=2]
+            \foreach \x in {1,...,5} {%
+                \draw (\x,0) circle (0.4cm) node {1\euro};
+                \draw (\x,1) circle (0.4cm) node {1\euro};
+            }
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/6e/Calcul_Mental/P3/CM_18_02_12-04.pdf b/6e/Calcul_Mental/P3/CM_18_02_12-04.pdf
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diff --git a/6e/Calcul_Mental/P3/CM_18_02_12-04.tex b/6e/Calcul_Mental/P3/CM_18_02_12-04.tex
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--- /dev/null
+++ b/6e/Calcul_Mental/P3/CM_18_02_12-04.tex
@@ -0,0 +1,63 @@
+\documentclass[a4paper,10pt]{classPres}
+
+\usetikzlibrary{snakes}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Calcul mental}
+    \begin{center}
+        \huge 30 secondes par calcul
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 1}
+    \huge
+    \begin{eqnarray*}
+        3 \times 731  = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \[ 45 : 2 = \]
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    Calculer l'aire de la figure
+    \begin{center}
+        \begin{tikzpicture}
+            \filldraw[very thick, fill=blue!60] (-2,3) -- node[midway, sloped, below]{4cm}
+                    (-2,0) -- node[midway, below]{8cm}
+                    (3,0) -- (3,3) -- cycle;
+
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Combien vaut les $\dfrac{2}{3}$ de 6\euro?
+    \begin{center}
+        \begin{tikzpicture}[scale=2]
+            \foreach \x in {1,...,3} {%
+                \draw (\x,0) circle (0.4cm) node {1\euro};
+                \draw (\x,1) circle (0.4cm) node {1\euro};
+            }
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}