diff --git a/6e/Calcul_Mental/P4/CM_18_04_03-2.pdf b/6e/Calcul_Mental/P4/CM_18_04_03-2.pdf
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diff --git a/6e/Calcul_Mental/P4/CM_18_04_03-2.tex b/6e/Calcul_Mental/P4/CM_18_04_03-2.tex
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+++ b/6e/Calcul_Mental/P4/CM_18_04_03-2.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\usetikzlibrary{snakes}
+
+\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
+    \[
+        98 \times 7 =
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Comment est l'angle $\widehat{HOA}$?
+    \begin{center}
+        \begin{tikzpicture}[scale=1.4]
+            \draw (0.6, 0.3) node {O};
+            \foreach \angle/\letter in {0/A, 1/B, 2/C, 3/D, 4/E, 5/F, 6/G, 7/H}
+            {
+                \draw [very thick] (0, 0) -- ({\angle*45}: 2) node[rotate={\angle*45}] {x} node[above right] {\letter} -- ({\angle*45}: 2.3);
+            }
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \LARGE
+    Compléter la valeur manquante
+
+    \begin{center}
+        \begin{tabular}{|c|*{2}{p{2cm}|}}
+        \hline
+        Nombre de beredjes & 1 & 15 \\
+        \hline
+        Prix & ... & 30 \\
+        \hline
+    \end{tabular}
+    \end{center}
+\end{frame}
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \LARGE
+    Calculer l'aire de la figure
+    \begin{center}
+        \begin{tikzpicture}
+            \filldraw[very thick, fill=blue!60]
+                (4,4) -- node[midway, sloped, above]{5cm}
+                (4,-1) -- node[midway, below]{4cm}
+                (0,-1) --
+                (0,0) -- node[midway, above] {1cm}
+                (-1,0) -- node[midway, rotate=-90, below]{4cm}
+                (-1,4) -- node[midway, above]{5cm}
+                cycle;
+                \draw[dotted, very thick] (0,-1) -- (-1, -1) -- (-1, 0);
+        \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/6e/Calcul_Mental/P4/CM_18_04_03-3.pdf b/6e/Calcul_Mental/P4/CM_18_04_03-3.pdf
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index 0000000..f33eb40
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diff --git a/6e/Calcul_Mental/P4/CM_18_04_03-3.tex b/6e/Calcul_Mental/P4/CM_18_04_03-3.tex
new file mode 100755
index 0000000..8ee4e5c
--- /dev/null
+++ b/6e/Calcul_Mental/P4/CM_18_04_03-3.tex
@@ -0,0 +1,80 @@
+\documentclass[a4paper,10pt]{classPres}
+
+\usetikzlibrary{snakes}
+
+\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
+    \[
+        39 \times 7 =
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Comment est l'angle $\widehat{B0E}$?
+    \begin{center}
+        \begin{tikzpicture}[scale=1.4]
+            \draw (0.6, 0.3) node {O};
+            \foreach \angle/\letter in {0/A, 1/B, 2/C, 3/D, 4/E, 5/F, 6/G, 7/H}
+            {
+                \draw [very thick] (0, 0) -- ({\angle*45}: 2) node[rotate={\angle*45}] {x} node[above right] {\letter} -- ({\angle*45}: 2.3);
+            }
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \LARGE
+    Compléter la valeur manquante
+
+    \begin{center}
+        \begin{tabular}{|c|*{2}{p{2cm}|}}
+        \hline
+        Nombre de stylos & 1 & 10 \\
+        \hline
+        Prix & ... & 30 \\
+        \hline
+    \end{tabular}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \LARGE
+    Calculer l'aire de la figure
+    \begin{center}
+        \begin{tikzpicture}
+            \filldraw[very thick, fill=blue!60]
+                (4,4) -- node[midway, sloped, above]{5cm}
+                (4,-1) -- node[midway, below]{4cm}
+                (0,-1) -- node[midway] {x} node[midway, right] {1cm}
+                (0,0) --  node[midway] {x} 
+                (-1,0) -- node[midway, rotate=-90, below]{4cm}
+                (-1,3) --  node[midway] {x} 
+                (0,3) -- node[midway] {x} 
+                (0,4) -- node[midway, above]{4cm}
+                cycle;
+                \draw[dotted, very thick] (0,-1) -- (-1, -1) -- (-1, 0);
+                \draw[dotted, very thick] (-1,3) -- (-1, 4) -- (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/6e/Calcul_Mental/P4/CM_18_04_03-4.pdf b/6e/Calcul_Mental/P4/CM_18_04_03-4.pdf
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diff --git a/6e/Calcul_Mental/P4/CM_18_04_03-4.tex b/6e/Calcul_Mental/P4/CM_18_04_03-4.tex
new file mode 100755
index 0000000..b30a21b
--- /dev/null
+++ b/6e/Calcul_Mental/P4/CM_18_04_03-4.tex
@@ -0,0 +1,80 @@
+\documentclass[a4paper,10pt]{classPres}
+
+\usetikzlibrary{snakes}
+
+\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
+    \[
+        68 \times 9 =
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Comment est l'angle $\widehat{DOA}$?
+    \begin{center}
+        \begin{tikzpicture}[scale=1.4]
+            \draw (0.6, 0.3) node {O};
+            \foreach \angle/\letter in {0/A, 1/B, 2/C, 3/D, 4/E, 5/F, 6/G, 7/H}
+            {
+                \draw [very thick] (0, 0) -- ({\angle*45}: 2) node[rotate={\angle*45}] {x} node[above right] {\letter} -- ({\angle*45}: 2.3);
+            }
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \LARGE
+    Compléter la valeur manquante
+
+    \begin{center}
+        \begin{tabular}{|c|*{2}{p{2cm}|}}
+        \hline
+        Nombre de sacs & 2 & 4 \\
+        \hline
+        Prix & ... & 12 \\
+        \hline
+    \end{tabular}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \LARGE
+    Calculer le périmètre de la figure
+    \begin{center}
+        \begin{tikzpicture}
+            \filldraw[very thick, fill=blue!60]
+                (4,4) -- node[midway, sloped, above]{8cm}
+                (4,-1) -- node[midway, below]{7cm}
+                (0,-1) -- node[midway] {x} node[midway, right] {1cm}
+                (0,0) --  node[midway] {x} 
+                (-1,0) -- node[midway, rotate=-90, below]{7cm}
+                (-1,3) --  node[midway] {x} 
+                (0,3) -- node[midway] {x} 
+                (0,4) -- node[midway, above]{7cm}
+                cycle;
+                \draw[dotted, very thick] (0,-1) -- (-1, -1) -- (-1, 0);
+                \draw[dotted, very thick] (-1,3) -- (-1, 4) -- (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/6e/Calcul_Mental/P4/CM_18_04_03-5.pdf b/6e/Calcul_Mental/P4/CM_18_04_03-5.pdf
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diff --git a/6e/Calcul_Mental/P4/CM_18_04_03-5.tex b/6e/Calcul_Mental/P4/CM_18_04_03-5.tex
new file mode 100755
index 0000000..a008387
--- /dev/null
+++ b/6e/Calcul_Mental/P4/CM_18_04_03-5.tex
@@ -0,0 +1,80 @@
+\documentclass[a4paper,10pt]{classPres}
+
+\usetikzlibrary{snakes}
+
+\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
+    \[
+        47 \times 9 =
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Comment est l'angle $\widehat{D0B}$?
+    \begin{center}
+        \begin{tikzpicture}[scale=1.4]
+            \draw (0.6, 0.3) node {O};
+            \foreach \angle/\letter in {0/A, 1/B, 2/C, 3/D, 4/E, 5/F, 6/G, 7/H}
+            {
+                \draw [very thick] (0, 0) -- ({\angle*45}: 2) node[rotate={\angle*45}] {x} node[above right] {\letter} -- ({\angle*45}: 2.3);
+            }
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \LARGE
+    Compléter la valeur manquante
+
+    \begin{center}
+        \begin{tabular}{|c|*{2}{p{2cm}|}}
+        \hline
+        Nombre de sacs & 2 & 6 \\
+        \hline
+        Prix & ... & 18 \\
+        \hline
+    \end{tabular}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \LARGE
+    Calculer l'aire de la figure
+    \begin{center}
+        \begin{tikzpicture}
+            \filldraw[very thick, fill=blue!60]
+                (4,4) -- node[midway, sloped, above]{5cm}
+                (4,-1) -- node[midway] {o} node[midway, below]{3cm}
+                (1,-1) -- node[midway] {x} node[midway, right] {2cm}
+                (1,0) --  node[midway] {x} 
+                (-1,0) -- node[midway] {o}
+                (-1,3) --  node[midway] {x} 
+                (1,3) -- node[midway] {x} 
+                (1,4) -- node {o}
+                cycle;
+                \draw[dotted, very thick] (1,-1) -- (-1, -1) -- (-1, 0);
+                \draw[dotted, very thick] (-1,3) -- (-1, 4) -- (1, 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/6e/Calcul_Mental/P4/CM_18_04_03-6.pdf b/6e/Calcul_Mental/P4/CM_18_04_03-6.pdf
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diff --git a/6e/Calcul_Mental/P4/CM_18_04_03-6.tex b/6e/Calcul_Mental/P4/CM_18_04_03-6.tex
new file mode 100755
index 0000000..728a6d6
--- /dev/null
+++ b/6e/Calcul_Mental/P4/CM_18_04_03-6.tex
@@ -0,0 +1,80 @@
+\documentclass[a4paper,10pt]{classPres}
+
+\usetikzlibrary{snakes}
+
+\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
+    \[
+        27 \times 9 =
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Comment est l'angle $\widehat{B0E}$?
+    \begin{center}
+        \begin{tikzpicture}[scale=1.4]
+            \draw (0.6, 0.3) node {O};
+            \foreach \angle/\letter in {0/A, 1/B, 2/C, 3/D, 4/E, 5/F, 6/G, 7/H}
+            {
+                \draw [very thick] (0, 0) -- ({\angle*45}: 2) node[rotate={\angle*45}] {x} node[above right] {\letter} -- ({\angle*45}: 2.3);
+            }
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \LARGE
+    Compléter la valeur manquante
+
+    \begin{center}
+        \begin{tabular}{|c|*{2}{p{2cm}|}}
+        \hline
+        Nombre de sacs & 1 & 5 \\
+        \hline
+        Prix & ... & 30 \\
+        \hline
+    \end{tabular}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \LARGE
+    Calculer l'aire de la figure
+    \begin{center}
+        \begin{tikzpicture}
+            \filldraw[very thick, fill=blue!60]
+                (4,4) -- node[midway, sloped, above]{6cm}
+                (4,-1) -- node[midway] {o} node[midway, below]{4cm}
+                (1,-1) -- node[midway] {x} node[midway, right] {2cm}
+                (1,0) --  node[midway] {x} 
+                (-1,0) -- node[midway] {o}
+                (-1,3) --  node[midway] {x} 
+                (1,3) -- node[midway] {x} 
+                (1,4) -- node {o}
+                cycle;
+                \draw[dotted, very thick] (1,-1) -- (-1, -1) -- (-1, 0);
+                \draw[dotted, very thick] (-1,3) -- (-1, 4) -- (1, 4);
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}