diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-1.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-1.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-1.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-1.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*}
+        87 + 3,4 - 10 = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{center}
+        Combien font $\dfrac{3}{8}$ de 8 semaines?
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        6x + 3 + 6x - 5 = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Quelle est la probabilité de tirer une boule bleu dans cette urne?
+    \begin{center}
+        \Ovalbox{
+            \begin{tikzpicture}[scale=1.2]
+                \draw[fill=red] (0,0) circle (0.4); 
+                \draw[fill=red] (1,0) circle (0.4); 
+                \draw[fill=red] (2,0) circle (0.4); 
+                \draw[fill=green] (0,1) circle (0.4); 
+                \draw[fill=green] (1,1) circle (0.4); 
+                \draw[fill=blue] (2,1) circle (0.4); 
+                \draw[fill=blue] (0,2) circle (0.4); 
+                \draw[fill=blue] (1,2) circle (0.4); 
+                \draw[fill=blue] (2,2) circle (0.4); 
+            \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_01_22-2.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-2.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-2.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-2.tex
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+++ b/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-2.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*}
+        1,23 + 0,99 - 1 = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{center}
+        Combien font $\dfrac{7}{15}$ de 15 élèves?
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        2x + 6x - 4x + 9 =
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Quelle est la probabilité de tirer une boule verte dans cette urne?
+    \begin{center}
+        \Ovalbox{
+            \begin{tikzpicture}[scale=1.2]
+                \draw[fill=red] (0,0) circle (0.4); 
+                \draw[fill=red] (1,0) circle (0.4); 
+                \draw[fill=red] (2,0) circle (0.4); 
+                \draw[fill=green] (0,1) circle (0.4); 
+                \draw[fill=green] (1,1) circle (0.4); 
+                \draw[fill=blue] (2,1) circle (0.4); 
+                \draw[fill=blue] (0,2) circle (0.4); 
+                \draw[fill=blue] (1,2) circle (0.4); 
+                \draw[fill=blue] (2,2) circle (0.4); 
+            \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_01_22-3.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-3.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-3.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-3.tex
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--- /dev/null
+++ b/3ePasserelles/Calcul_Mental/P3/CM_18_01_22-3.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*}
+        87,5 + 3,7 - 3 = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{center}
+        Combien font $\dfrac{7}{12}$ de 12 stylos?
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        7x + 3x - 5x + 4 = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Quelle est la probabilité de tirer une boule verte dans cette urne?
+    \begin{center}
+        \Ovalbox{
+            \begin{tikzpicture}[scale=1.2]
+                \draw[fill=red] (0,0) circle (0.4); 
+                \draw[fill=red] (1,0) circle (0.4); 
+                \draw[fill=red] (2,0) circle (0.4); 
+                \draw[fill=green] (0,1) circle (0.4); 
+                \draw[fill=green] (1,1) circle (0.4); 
+                \draw[fill=green] (2,1) circle (0.4); 
+                \draw[fill=green] (0,2) circle (0.4); 
+                \draw[fill=green] (1,2) circle (0.4); 
+                \draw[fill=blue] (2,2) circle (0.4); 
+            \end{tikzpicture}
+        }
+    \end{center}
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}