2017-2018/6e/Calcul_Mental/P4/CM_18_04_03-3.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
\[
39 \times 7 =
\]
\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}