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diff --git a/4e/Questions_flash/P5/QF_S20-1.tex b/4e/Questions_flash/P5/QF_S20-1.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}
+    % Conversions
+    Convertir en $m^2$
+    \[
+        \np{48 793}cm^2
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Aire
+    Calculer l'aire de la figure bleu
+    \begin{center}
+        \begin{tikzpicture}%[rotate=40]
+            \draw[fill=blue!30] (0, 0) circle (3);
+
+            \draw (0, 0) node {x} -- 
+                node[midway, sloped, above] {15m}
+                (3, 0);
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Proportionnalité
+    Combien coûte 2kg de farine?
+    \begin{center}
+        \begin{tikzpicture}[scale=1]
+            \begin{axis}[
+                axis lines = center,
+                grid = both,
+                xlabel = {Quantité de farine (en kg)},
+                xtick distance=1,
+                ylabel = {Prix},
+                ytick distance=1,
+                ]
+                \addplot[domain=0:5,samples=3, color=red, very thick]{2*x};
+            \end{axis}
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Fraction
+    Calculer la quantité suivante
+    \[
+        2\times (\frac{1}{3} + \frac{2}{3}) = 
+    \]
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/4e/Questions_flash/P5/QF_S20-2.pdf b/4e/Questions_flash/P5/QF_S20-2.pdf
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diff --git a/4e/Questions_flash/P5/QF_S20-2.tex b/4e/Questions_flash/P5/QF_S20-2.tex
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--- /dev/null
+++ b/4e/Questions_flash/P5/QF_S20-2.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}
+    % Conversions
+    Convertir en $cm^2$
+    \[
+        \np{34,567}m^2
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Aire
+    Calculer l'aire de la figure bleu
+    \begin{center}
+        \begin{tikzpicture}[scale=0.8]
+            %\draw[fill=blue!30] (0, 0) circle (3);
+
+            \draw[fill=blue!20] (0, 0) arc[start angle=0, end angle=180, radius=3];
+            \draw (-6, 0) -- 
+                (-3, 0) node {x} -- 
+                node[midway, sloped, below] {5mm}
+                (0, 0);
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Proportionnalité
+    Combien coûte 4kg de farine?
+    \begin{center}
+        \begin{tikzpicture}[scale=1]
+            \begin{axis}[
+                axis lines = center,
+                grid = both,
+                xlabel = {Quantité de farine (en kg)},
+                xtick distance=1,
+                ylabel = {Prix (en \euro)},
+                ytick distance=2,
+                ]
+                \addplot[domain=0:5,samples=10, color=red, very thick]{x*x};
+            \end{axis}
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Fraction
+    Calculer la quantité suivante
+    \[
+        5\times \frac{1}{3} + \frac{2}{3} = 
+    \]
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}