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diff --git a/4e/Questions_flash/P5/QF_S21-1.tex b/4e/Questions_flash/P5/QF_S21-1.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 $m$
+    \[
+        \np{34,56}km
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Aire
+    Calculer le périmètre 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] {4m}
+                (3, 0);
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Pythagore
+    Calculer la longueur de coté manquant
+    \begin{center}
+        \begin{tikzpicture}[baseline=(current bounding box.north), scale=0.7]
+            \draw[fill=blue!20] 
+                (0,0) -- node[ midway, sloped, below]{12cm}
+                (-3,0) -- node[midway, sloped, above]{5cm} 
+                (-3,2) -- 
+                cycle;
+            \draw (-3, 0) rectangle ++(0.2, 0.2);
+            \draw (0, 0) rectangle ++(-3, -3);
+            \draw (-3, 0) rectangle ++(-2, 2);
+            \draw (0, 0) -- (2, 3) -- (-1, 5) -- (-3, 2) -- cycle;
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Réciproque de Pythagore
+    Est-ce que le triangle est rectangle?
+    \begin{center}
+        \begin{tikzpicture}[baseline=(current bounding box.north)]
+            \draw[fill=blue!20] 
+                (0,0) -- node[ midway, sloped, below]{3cm}
+                (-3,0.5) -- node[midway, sloped, above]{4cm} 
+                (-3,2) -- node[midway, sloped, above] {5cm}
+                cycle;
+        \end{tikzpicture}
+    \end{center}
+\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_S21-2.pdf b/4e/Questions_flash/P5/QF_S21-2.pdf
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diff --git a/4e/Questions_flash/P5/QF_S21-2.tex b/4e/Questions_flash/P5/QF_S21-2.tex
new file mode 100755
index 0000000..b463eb3
--- /dev/null
+++ b/4e/Questions_flash/P5/QF_S21-2.tex
@@ -0,0 +1,84 @@
+\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 $g$
+    \[
+        \np{123,5}kg
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Aire
+    Calculer le périmètre 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] {20mm}
+                (3, 0);
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Pythagore
+    Calculer la longueur de coté manquant
+    \begin{center}
+        \begin{tikzpicture}[baseline=(current bounding box.north), scale=0.7, rotate=20]
+            \draw[fill=blue!20] 
+                (0,0) -- node[ midway,  below]{55cm}
+                (-3,0) -- node[midway,  left]{48cm} 
+                (-3,2) -- 
+                cycle;
+            \draw (-3, 0) rectangle ++(0.2, 0.2);
+            \draw (0, 0) rectangle ++(-3, -3);
+            \draw (-3, 0) rectangle ++(-2, 2);
+            \draw (0, 0) -- (2, 3) -- (-1, 5) -- (-3, 2) -- cycle;
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Réciproque de Pythagore
+    Est-ce que le triangle est rectangle?
+    \begin{center}
+        \begin{tikzpicture}[baseline=(current bounding box.north), rotate=90]
+            \draw[fill=blue!20] 
+                (0,0) -- node[ midway, right]{12cm}
+                (-3,0.5) -- node[midway, below]{84cm} 
+                (-3,2) -- node[midway, left] {85cm}
+                cycle;
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}