\documentclass[a4paper,10pt]{classPres}
\usepackage{tkz-fct}

\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*}
        72 = 42 + 3 \times ...
    \end{eqnarray*}
\end{frame}

\begin{frame}{Calcul 2}
    \LARGE
    Trouver la bonne réponse

    \begin{center}
        \begin{tabular}{|c|*{2}{p{2cm}|}}
            \hline
            Age & 2ans & 10ans \\
            \hline
            Taille & 1m & ... \\
            \hline
        \end{tabular}

        \vspace{1cm}
        \begin{minipage}{0.1\textwidth}
            $50m$  
        \end{minipage}
        \hspace{1cm} 
        \begin{minipage}{0.1\textwidth}
            $2m$
        \end{minipage}
        \hspace{1cm}
        \begin{minipage}{0.4\textwidth}
            On ne peut pas savoir
        \end{minipage}
    \end{center}
\end{frame}

\begin{frame}{Calcul 3}
    \LARGE
    Est-ce une situation de proportionnalité?
    
    \normalsize
    \begin{tikzpicture}[scale=0.9]
        \tkzInit[xmin=-5,xmax=5,xstep=1,ymax=3,ymin=-3,ystep=1]
        \tkzAxeX[right]
        \tkzAxeY[above]
        \tkzGrid
        \draw [very thick] (5.5,-3.3) -- (-5.5,3.3);
    \end{tikzpicture}
\end{frame}

\begin{frame}{Calcul 4}
    \huge
    Combien font $30\%$ de 42 pains?
\end{frame}

\begin{frame}{Fin}
    \begin{center}
        \huge On retourne son papier.
    \end{center}
\end{frame}


\end{document}
