diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-1.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-1.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-1.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-1.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\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*}
+        34 + ... = 50
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Calculer avec la formule quand $x = 4$
+    \[ F = 2x + 3 \]
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    Réduire
+    \begin{eqnarray*}
+        5\times2x + 4\times3 + 4x = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Quelle est la probabilité de tirer une boule avec un 2 ?
+    \begin{center}
+        \Ovalbox{
+            \begin{tikzpicture}[scale=1.4]
+                \draw[fill=red] (0,0) circle (0.4) node {$1$}; 
+                \draw[fill=red] (1,0) circle (0.4) node {$2$}; 
+                \draw[fill=red] (2,0) circle (0.4) node {$10$}; 
+                \draw[fill=red] (3,0) circle (0.4) node {$10$}; 
+                \draw[fill=green] (0,1) circle (0.4) node {$1$}; 
+                \draw[fill=green] (3,1) circle (0.4) node {$1$}; 
+                \draw[fill=blue] (0,2) circle (0.4) node {$10$}; 
+                \draw[fill=blue] (3,2) circle (0.4) node {$2$}; 
+                \draw[fill=blue] (0,3) circle (0.4) node {$1$}; 
+                \draw[fill=blue] (1,3) circle (0.4) node {$2$}; 
+                \draw[fill=blue] (2,3) circle (0.4) node {$10$}; 
+                \draw[fill=blue] (3,3) circle (0.4) node {$10$}; 
+            \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/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-2.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-2.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-2.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-2.tex
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--- /dev/null
+++ b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-2.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\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*}
+        2\times ... + 4 = 10
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Calculer avec la formule quand $x = 2$
+    \[ F = x + 3 + 5x \]
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    Réduire
+    \begin{eqnarray*}
+        5x\times3 + 4\times3 - 4x = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Quelle est la probabilité de tirer une boule bleu ?
+    \begin{center}
+        \Ovalbox{
+            \begin{tikzpicture}[scale=1.4]
+                \draw[fill=red] (0,0) circle (0.4) node {$1$}; 
+                \draw[fill=red] (1,0) circle (0.4) node {$2$}; 
+                \draw[fill=red] (2,0) circle (0.4) node {$10$}; 
+                \draw[fill=red] (3,0) circle (0.4) node {$10$}; 
+                \draw[fill=green] (0,1) circle (0.4) node {$1$}; 
+                \draw[fill=green] (3,1) circle (0.4) node {$1$}; 
+                \draw[fill=blue] (0,2) circle (0.4) node {$10$}; 
+                \draw[fill=blue] (3,2) circle (0.4) node {$2$}; 
+                \draw[fill=blue] (0,3) circle (0.4) node {$1$}; 
+                \draw[fill=blue] (1,3) circle (0.4) node {$2$}; 
+                \draw[fill=blue] (2,3) circle (0.4) node {$10$}; 
+                \draw[fill=blue] (3,3) circle (0.4) node {$10$}; 
+                \draw[fill=white] (1.5,1.5) circle (0.4) node {$50$}; 
+            \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/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-3.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-3.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-3.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-3.tex
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--- /dev/null
+++ b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-3.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\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*}
+        45 + ... = 100
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Calculer avec la formule quand $a = 2$
+    \[ F = 2a + 3 + 5a \]
+\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) -- (-2,0) -- (3,0) -- (3,3) -- cycle;
+            \draw[step=1] (-5,-1) grid (5,5);
+
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Quelle est la probabilité de tirer le numéro 6?
+    \begin{center}
+        \begin{tikzpicture}[scale=3]
+            \draw (0,0) circle (1);
+            \draw (0:-1) -- (0:1);
+            \draw (22:0.7) node {$1$};
+            \draw (22:-0.7) node {$1$};
+
+            \draw (45:-1) -- (45:1);
+            \draw (67:0.7) node {$2$};
+            \draw (67:-0.7) node {$1$};
+
+            \draw (90:-1) -- (90:1);
+            \draw (112:0.7) node {$8$};
+            \draw (112:-0.7) node {$4$};
+
+            \draw (-45:-1) -- (-45:1);
+            \draw (-22:0.7) node {$2$};
+            \draw (-22:-0.7) node {$6$};
+        \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/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-4.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-4.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-4.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-4.tex
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index 0000000..9fc33c0
--- /dev/null
+++ b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-4.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\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 ... = 45
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Calculer avec la formule quand $a = 2$ et $b = 3$
+    \[ F = a + b + 2b \]
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    Calculer l'aire de la figure
+    \begin{center}
+        \begin{tikzpicture}
+            \filldraw[very thick, fill=blue!60] (-3,3) -- (-3,0) -- (4,0) -- (4,3) -- cycle;
+            \draw[step=1] (-5,-1) grid (5,5);
+
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Quelle est la probabilité de tirer un nombre pair?
+    \begin{center}
+        \begin{tikzpicture}[scale=3]
+            \draw (0,0) circle (1);
+            \draw (0:-1) -- (0:1);
+            \draw (22:0.7) node {$2$};
+            \draw (22:-0.7) node {$3$};
+
+            \draw (45:-1) -- (45:1);
+            \draw (67:0.7) node {$2$};
+            \draw (67:-0.7) node {$1$};
+
+            \draw (90:-1) -- (90:1);
+            \draw (112:0.7) node {$3$};
+            \draw (112:-0.7) node {$4$};
+
+            \draw (-45:-1) -- (-45:1);
+            \draw (-22:0.7) node {$2$};
+            \draw (-22:-0.7) node {$6$};
+        \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/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-5.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-5.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-5.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-5.tex
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index 0000000..0765c81
--- /dev/null
+++ b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-5.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\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 ... + 10 = 45
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Calculer avec la formule quand $a = 2$ et $b = 3$
+    \[ F = 5a + b + 2b + 3 \]
+\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) -- (-3,2) -- (-3,1) -- (-2,0) -- (4,0) -- (4,3) -- cycle;
+            \draw[step=1] (-5,-1) grid (5,5);
+
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Quelle est la probabilité de tirer un nombre supérieur à 3?
+    \begin{center}
+        \begin{tikzpicture}[scale=3]
+            \draw (0,0) circle (1);
+            \draw (0:-1) -- (0:1);
+            \draw (22:0.7) node {$2$};
+            \draw (22:-0.7) node {$2$};
+
+            \draw (45:-1) -- (45:1);
+            \draw (67:0.7) node {$2$};
+            \draw (67:-0.7) node {$1$};
+
+            \draw (90:-1) -- (90:1);
+            \draw (112:0.7) node {$4$};
+            \draw (112:-0.7) node {$4$};
+
+            \draw (-45:-1) -- (-45:1);
+            \draw (-22:0.7) node {$2$};
+            \draw (-22:-0.7) node {$6$};
+        \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/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-6.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-6.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-6.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-6.tex
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--- /dev/null
+++ b/3ePasserelles/Calcul_Mental/P3/CM_18_02_05-6.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\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*}
+        40 = 23 + ...
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Calculer avec la formule quand $a = 5$
+    \[ F = 5a + 3 + a \]
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    Calculer l'aire de la figure
+    \begin{center}
+        \begin{tikzpicture}
+            \filldraw[very thick, fill=blue!60] (0,3) -- (0,0) -- (4,0) -- (4,3) -- cycle;
+            \draw[step=1] (-5,-1) grid (5,5);
+
+        \end{tikzpicture}
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Quelle est la probabilité de tirer un nombre supérieur à 3?
+    \begin{center}
+        \begin{tikzpicture}[scale=3]
+            \draw (0,0) circle (1);
+            \draw (0:-1) -- (0:1);
+            \draw (22:0.7) node {$2$};
+            \draw (22:-0.7) node {$2$};
+
+            \draw (45:-1) -- (45:1);
+            \draw (67:0.7) node {$2$};
+            \draw (67:-0.7) node {$1$};
+
+            \draw (90:-1) -- (90:1);
+            \draw (112:0.7) node {$4$};
+            \draw (112:-0.7) node {$4$};
+
+            \draw (-45:-1) -- (-45:1);
+            \draw (-22:0.7) node {$2$};
+            \draw (-22:-0.7) node {$6$};
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}