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\newcommand{\titre}{Nombres décimaux}
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\begin{document}

\begin{center}
    \small Écriture décimale, lecture, valeur positionnelle, droite graduée, comparaison.
\end{center}
\vspace{0.5em}
\section*{Exercice 1 : Donne une écriture décimale des nombres}
\begin{itemize}
\item $\dfrac{18 969 }{10 }$
\item $\dfrac{150 }{100 }$
\item $\dfrac{58 927 }{1 000 }$
\item $6 + \dfrac{3 }{100 } + \dfrac{1 }{1 000 }$
\end{itemize}
\section*{Exercice 2 : Écris les nombres suivants en lettres (de deux façons)}
\begin{itemize}
\item 1 225 , 467
\item 1 104 , 619
\item 449 , 784
\item 49 , 756
\end{itemize}
\section*{Exercice 3 : Dans le nombre 81 463 , 975 02}
\begin{itemize}
\item Quel est le chiffre des dixièmes~?
\item Quel est le chiffre des millièmes~?
\item Quel est le chiffre des centièmes~?
\item Quel est le chiffre des unités~?
\item Recopie et complète~: 2 est le chiffre des \dotfill
\item Recopie et complète~: 8 est le chiffre des \dotfill
\item Quel est le nombre de dizaines~?
\item Quel est le nombre de dix-millièmes~?
\end{itemize}
\section*{Exercice 4}
Sur une même droite graduée, place les points C, A et F d'abscisses respectives~:
\begin{itemize}
\item 2 , 7
\item 1 , 2
\item 0 , 4
\end{itemize}
\section*{Exercice 5 : Range les nombres suivants par ordre croissant}
\begin{itemize}
\item 9 , 227 1
\item 8 , 510 6
\item 9 , 367 2
\item 9 , 104 9
\item 8 , 855 4
\item 9 , 149 1
\item 8 , 743 6
\end{itemize}
\newpage
\section*{\textcolor{red}{Correction}}
\subsection*{Exercice 1}
\begin{itemize}
\item $\dfrac{18 969 }{10 } = 1 896 , 9$
\item $\dfrac{150 }{100 } = 1 , 5$
\item $\dfrac{58 927 }{1 000 } = 58 , 927$
\item $6 + \dfrac{3 }{100 } + \dfrac{1 }{1 000 } = 6 , 031$
\end{itemize}
\subsection*{Exercice 2}
\begin{itemize}
\item 1 225 , 467
  \begin{itemize}
  \item Mille-deux-cent-vingt-cinq virgule quatre-cent-soixante-sept.
  \item Mille-deux-cent-vingt-cinq unités et quatre-cent-soixante-sept millièmes.
  \end{itemize}
\item 1 104 , 619
  \begin{itemize}
  \item Mille-cent-quatre virgule six-cent-dix-neuf.
  \item Mille-cent-quatre unités et six-cent-dix-neuf millièmes.
  \end{itemize}
\item 449 , 784
  \begin{itemize}
  \item Quatre-cent-quarante-neuf virgule sept-cent-quatre-vingt-quatre.
  \item Quatre-cent-quarante-neuf unités et sept-cent-quatre-vingt-quatre millièmes.
  \end{itemize}
\item 49 , 756
  \begin{itemize}
  \item Quarante-neuf virgule sept-cent-cinquante-six.
  \item Quarante-neuf unités et sept-cent-cinquante-six millièmes.
  \end{itemize}
\end{itemize}
\subsection*{Exercice 3}
\begin{itemize}
\item Le chiffre des dixièmes est \textcolor{red}{9}.
\item Le chiffre des millièmes est \textcolor{red}{5}.
\item Le chiffre des centièmes est \textcolor{red}{7}.
\item Le chiffre des unités est \textcolor{red}{3}.
\item 2 est le chiffre des \textcolor{red}{cent-millièmes}.
\item 8 est le chiffre des \textcolor{red}{dizaines de mille}.
\item Le nombre de dizaines est \textcolor{red}{8 146 }.
\item Le nombre de dix-millièmes est \textcolor{red}{814 639 750 }.
\end{itemize}
\subsection*{Exercice 4}
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\subsection*{Exercice 5}
$8 , 510 6 < 8 , 743 6 < 8 , 855 4 < 9 , 104 9 < 9 , 149 1 < 9 , 227 1 < 9 , 367 2$
\end{document}
