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diff --git a/3ePasserelles/Calcul_Mental/P4/CM_18_04_30-1.tex b/3ePasserelles/Calcul_Mental/P4/CM_18_04_30-1.tex
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+\documentclass[a4paper,10pt]{classPres}
+\usepackage{tkz-fct}
+
+\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*}
+        ... \times 6 - 20 = 56
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \LARGE
+    Trouver la bonne réponse
+
+    \begin{center}
+        \begin{tabular}{|c|*{2}{p{2cm}|}}
+            \hline
+            Nombre de pneu & 7 & 15 \\
+            \hline
+            Poids & 3,5 & ... \\
+            \hline
+        \end{tabular}
+
+        \vspace{1cm}
+        \begin{minipage}{0.1\textwidth}
+            $7,5$  
+        \end{minipage}
+        \hspace{1cm} 
+        \begin{minipage}{0.1\textwidth}
+            $52,5$
+        \end{minipage}
+        \hspace{1cm}
+        \begin{minipage}{0.4\textwidth}
+            On ne peut pas savoir
+        \end{minipage}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \LARGE
+    Est-ce une situation de proportionnalité?
+    
+    \normalsize
+    \begin{tikzpicture}[scale=0.9]
+        \tkzInit[xmin=-5,xmax=5,xstep=1,ymax=3,ymin=-3,ystep=1]
+        \tkzAxeX[right]
+        \tkzAxeY[above]
+        \tkzGrid
+        \draw [very thick] (-5.5,-3.3) -- (5.5,3.3);
+    \end{tikzpicture}
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Combien font $\dfrac{5}{8}$ de 24 pains?
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/3ePasserelles/Calcul_Mental/P4/CM_18_04_30-2.pdf b/3ePasserelles/Calcul_Mental/P4/CM_18_04_30-2.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P4/CM_18_04_30-2.tex b/3ePasserelles/Calcul_Mental/P4/CM_18_04_30-2.tex
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+\documentclass[a4paper,10pt]{classPres}
+\usepackage{tkz-fct}
+
+\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*}
+        72 = 42 + 3 \times ...
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \LARGE
+    Trouver la bonne réponse
+
+    \begin{center}
+        \begin{tabular}{|c|*{2}{p{2cm}|}}
+            \hline
+            Age & 2ans & 10ans \\
+            \hline
+            Taille & 1m & ... \\
+            \hline
+        \end{tabular}
+
+        \vspace{1cm}
+        \begin{minipage}{0.1\textwidth}
+            $50m$  
+        \end{minipage}
+        \hspace{1cm} 
+        \begin{minipage}{0.1\textwidth}
+            $2m$
+        \end{minipage}
+        \hspace{1cm}
+        \begin{minipage}{0.4\textwidth}
+            On ne peut pas savoir
+        \end{minipage}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \LARGE
+    Est-ce une situation de proportionnalité?
+    
+    \normalsize
+    \begin{tikzpicture}[scale=0.9]
+        \tkzInit[xmin=-5,xmax=5,xstep=1,ymax=3,ymin=-3,ystep=1]
+        \tkzAxeX[right]
+        \tkzAxeY[above]
+        \tkzGrid
+        \draw [very thick] (5.5,-3.3) -- (-5.5,3.3);
+    \end{tikzpicture}
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Combien font $30\%$ de 42 pains?
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/3ePasserelles/Calcul_Mental/P4/CM_18_04_30-3.pdf b/3ePasserelles/Calcul_Mental/P4/CM_18_04_30-3.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P4/CM_18_04_30-3.tex b/3ePasserelles/Calcul_Mental/P4/CM_18_04_30-3.tex
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--- /dev/null
+++ b/3ePasserelles/Calcul_Mental/P4/CM_18_04_30-3.tex
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+\documentclass[a4paper,10pt]{classPres}
+\usepackage{tkz-fct}
+
+\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*}
+        12 = 20 - 2 \times ...
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \LARGE
+    Trouver la bonne réponse
+
+    \begin{center}
+        \begin{tabular}{|c|*{2}{p{2cm}|}}
+            \hline
+            Quantité & 8 & 10 \\
+            \hline
+            Prix & 40 & ... \\
+            \hline
+        \end{tabular}
+
+        \vspace{1cm}
+        \begin{minipage}{0.1\textwidth}
+            $50$
+        \end{minipage}
+        \hspace{1cm} 
+        \begin{minipage}{0.1\textwidth}
+            $400$
+        \end{minipage}
+        \hspace{1cm}
+        \begin{minipage}{0.4\textwidth}
+            On ne peut pas savoir
+        \end{minipage}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \LARGE
+    Est-ce une situation de proportionnalité?
+    
+    \normalsize
+    \begin{tikzpicture}[scale=0.9]
+        \tkzInit[xmin=-5,xmax=5,xstep=1,ymax=3,ymin=-3,ystep=1]
+        \tkzAxeX[right]
+        \tkzAxeY[above]
+        \tkzGrid
+        \draw [very thick] (4,-3.3) -- (-5.5,2);
+    \end{tikzpicture}
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Combien font $\dfrac{3}{10}$ de 500g?
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}