2017-2018/6e/Calcul_Mental/P3/CM_18_02_12-02.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
\begin{eqnarray*}
4 \times 321 =
\end{eqnarray*}
\end{frame}
\begin{frame}{Calcul 2}
\huge
\[ 99 : 2 = \]
\end{frame}
\begin{frame}{Calcul 3}
\huge
Calculer l'aire de la figure
\begin{center}
\begin{tikzpicture}
\filldraw[very thick, fill=blue!60] (-2,3) -- node[midway, sloped, below]{4cm}
(-2,0) -- node[midway, below]{7cm}
(3,0) -- (3,3) -- cycle;
\end{tikzpicture}
\end{center}
\end{frame}
\begin{frame}{Calcul 4}
\huge
Combien vaut les $\dfrac{1}{4}$ de 8\euro?
\begin{center}
\begin{tikzpicture}[scale=2]
\foreach \x in {1,...,4} {%
\draw (\x,0) circle (0.4cm) node {1\euro};
\draw (\x,1) circle (0.4cm) node {1\euro};
}
\end{tikzpicture}
\end{center}
\end{frame}
\begin{frame}{Fin}
\begin{center}
\huge On retourne son papier.
\end{center}
\end{frame}
\end{document}