diff --git a/3ePasserelles/Calcul_Mental/P1/CM_17_10_02-1.pdf b/3ePasserelles/Calcul_Mental/P1/CM_17_10_02-1.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P1/CM_17_10_02-1.tex b/3ePasserelles/Calcul_Mental/P1/CM_17_10_02-1.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*}
+        3,45 + 12 = ...
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{eqnarray*}
+        7,65 - 4,39 = ...
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        1 + 2 \times 3 = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Total de 
+    \begin{center}
+        4 \hfill 3 \hfill 7 \hfill 6
+    \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/P1/CM_17_10_02-2.pdf b/3ePasserelles/Calcul_Mental/P1/CM_17_10_02-2.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P1/CM_17_10_02-2.tex b/3ePasserelles/Calcul_Mental/P1/CM_17_10_02-2.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*}
+        4,56 + 0,4 = ...
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{eqnarray*}
+        6 + ... = 7,2
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        5 \times 2 + 5 = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Minimum de 
+    \begin{center}
+        4,5 \hfill 3,6 \hfill 3,45 \hfill 4,55
+    \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/P1/CM_17_10_02-3.pdf b/3ePasserelles/Calcul_Mental/P1/CM_17_10_02-3.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P1/CM_17_10_02-3.tex b/3ePasserelles/Calcul_Mental/P1/CM_17_10_02-3.tex
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--- /dev/null
+++ b/3ePasserelles/Calcul_Mental/P1/CM_17_10_02-3.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*}
+        0,56 + 10,4 = ...
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{eqnarray*}
+        6,5 - 2 = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        10 - 2 \times 3 = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Minimum de 
+    \begin{center}
+        2,5 \hfill 2,6 \hfill 2,45 \hfill 2,43
+    \end{center}
+    
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}