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diff --git a/4e/Questions_flash/P4/QF_S13-1.tex b/4e/Questions_flash/P4/QF_S13-1.tex
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+\documentclass[14pt]{classPres}
+\setmainfont{OpenDyslexic}
+\usepackage{pgfplots} 
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Questions flash}
+    \begin{center}
+        \vfill
+        4e
+        \vfill
+        30 secondes par calcul
+        \vfill
+        %\Large{Calculatrice autorisée}
+        \vfill
+        \tiny \jobname
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 1}
+    % fractions
+    Faire le calcul
+    \[
+        \frac{3}{12} - \frac{5}{4} = 
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Conversions
+    Convertir en $m^2$
+    \vfill
+    \[
+        1234,56cm^2
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Aire
+    Calculer le périmètre de la figure
+    \begin{center}
+        \begin{tikzpicture}[rotate=40]
+            \draw[fill=blue!50] 
+                (-2,0) -- node[midway, below left]{2cm}
+                (-2,-3) -- node[midway, below right]{4cm} 
+                (3,-3) -- 
+                cycle;
+            \draw (-2, -3) rectangle (-1.8, -2.8);
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Calcul littéral
+    Réduire l'expression suivante
+    \vfill
+    \[
+        3 - 2x + 5x - 3 + 2 = 
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/4e/Questions_flash/P4/QF_S13-2.pdf b/4e/Questions_flash/P4/QF_S13-2.pdf
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diff --git a/4e/Questions_flash/P4/QF_S13-2.tex b/4e/Questions_flash/P4/QF_S13-2.tex
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+++ b/4e/Questions_flash/P4/QF_S13-2.tex
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+\documentclass[14pt]{classPres}
+\setmainfont{OpenDyslexic}
+\usepackage{pgfplots} 
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Questions flash}
+    \begin{center}
+        \vfill
+        4e
+        \vfill
+        30 secondes par calcul
+        \vfill
+        %\Large{Calculatrice autorisée}
+        \vfill
+        \tiny \jobname
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 1}
+    % fractions
+    Faire le calcul
+    \[
+        1 - \frac{3}{4} = 
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Conversions
+    Convertir en $km^2$
+    \vfill
+    \[
+        123456,7m^2
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Aire
+    Calculer le périmètre de la figure
+    \begin{center}
+        \begin{tikzpicture}[rotate=-30]
+            \draw[fill=blue!50] 
+                (-2,0) -- node[midway, below]{3cm}
+                (-2,-3) -- node[midway, below]{5cm} 
+                (3,-3) -- 
+                cycle;
+            \draw (-2, -3) rectangle (-1.8, -2.8);
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Calcul littéral
+    Réduire l'expression suivante
+    \vfill
+    \[
+        2\times(x + 1) = 
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}