diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-1.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-1.pdf
new file mode 100644
index 0000000..bb2c19d
Binary files /dev/null and b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-1.pdf differ
diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-1.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-1.tex
new file mode 100755
index 0000000..6409c1f
--- /dev/null
+++ b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-1.tex
@@ -0,0 +1,51 @@
+\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*}
+        23 + 54 + 4,4 = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{center}
+        Combien font $\dfrac{1}{2}$ de 4 semaines?
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        4x + 3 + 2x + 1 = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    5 fruits à pains pèsent 4kg.
+
+    Combien pèsent 10 fruits à 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/P3/CM_18_01_08-2.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-2.pdf
new file mode 100644
index 0000000..a850bbc
Binary files /dev/null and b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-2.pdf differ
diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-2.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-2.tex
new file mode 100755
index 0000000..9708074
--- /dev/null
+++ b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-2.tex
@@ -0,0 +1,51 @@
+\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*}
+        2,3 + 12 + 4,4 = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{center}
+        Combien font $\dfrac{1}{5}$ de 10 élèves?
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        5x + 2 + 2x - x = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    4 poules produisent 6 oeufs par jour.
+
+    Combien produisent 8 poules en une journée?
+    
+\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_08-3.pdf b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-3.pdf
new file mode 100644
index 0000000..4f27a83
Binary files /dev/null and b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-3.pdf differ
diff --git a/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-3.tex b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-3.tex
new file mode 100755
index 0000000..f875a0f
--- /dev/null
+++ b/3ePasserelles/Calcul_Mental/P3/CM_18_01_08-3.tex
@@ -0,0 +1,51 @@
+\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*}
+        43 + 12 + 6,1 = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{center}
+        Combien font $\dfrac{2}{5}$ de 10 élèves?
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        5x + 5 + 6x - 4 = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    10 élèves font autant de bruit que 2 camions.
+
+    Combien de camions font autant de bruit que 30 élèves?
+    
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}