diff --git a/PreStSauveur/4e/Questions_Flashs/CM_19_02_05-1.pdf b/PreStSauveur/4e/Questions_Flashs/CM_19_02_05-1.pdf
new file mode 100644
index 0000000..7106912
Binary files /dev/null and b/PreStSauveur/4e/Questions_Flashs/CM_19_02_05-1.pdf differ
diff --git a/PreStSauveur/4e/Questions_Flashs/CM_19_02_05-1.tex b/PreStSauveur/4e/Questions_Flashs/CM_19_02_05-1.tex
new file mode 100755
index 0000000..2888f47
--- /dev/null
+++ b/PreStSauveur/4e/Questions_Flashs/CM_19_02_05-1.tex
@@ -0,0 +1,70 @@
+\documentclass[a4paper,10pt]{classPres}
+\usepackage{tkz-fct}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Questions flashs}
+    \begin{center}
+        \huge 30 secondes par calcul
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 1}
+    \huge
+    \begin{eqnarray*}
+      7 \times 3 - 4\times 5 =   
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    Calculer l'aire du carré rouge
+
+    \begin{center}
+        \includegraphics[scale=0.6]{./fig/pythagore} 
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \LARGE
+    Ma voiture consomme en moyenne 16 litres pour faire 200km. 
+
+    Quelle sera ma consommation pour faire 50km?
+
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \Large
+    Le tableau est un tableau de proportionnalité. Calculer la valeur manquante
+
+    \begin{center}
+    \begin{tabular}{|c|*{3}{p{2cm}|}}
+        \hline
+        Poids & 6 & 10 & 22 \\
+        \hline
+        Prix & 9 & 15 & ... \\
+        \hline
+    \end{tabular}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \huge
+    Quels sont les prismes droits?
+
+    \begin{center}
+        \includegraphics[scale=0.5]{./fig/solides} 
+    \end{center}
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge Correction!
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/PreStSauveur/4e/Questions_Flashs/fig/pythagore.pdf b/PreStSauveur/4e/Questions_Flashs/fig/pythagore.pdf
new file mode 100644
index 0000000..475e9cd
Binary files /dev/null and b/PreStSauveur/4e/Questions_Flashs/fig/pythagore.pdf differ
diff --git a/PreStSauveur/4e/Questions_Flashs/fig/solides.jpg b/PreStSauveur/4e/Questions_Flashs/fig/solides.jpg
new file mode 100644
index 0000000..dba173a
Binary files /dev/null and b/PreStSauveur/4e/Questions_Flashs/fig/solides.jpg differ
diff --git a/PreStSauveur/4e/Questions_Flashs/fig/solides.pdf b/PreStSauveur/4e/Questions_Flashs/fig/solides.pdf
new file mode 100644
index 0000000..5016278
Binary files /dev/null and b/PreStSauveur/4e/Questions_Flashs/fig/solides.pdf differ