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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 $\dfrac{42 468 }{100 }$
\item $\dfrac{19 795 }{10 }$
\item $\dfrac{51 773 }{1 000 }$
\item $\dfrac{9 }{1 000 } + 7 + \dfrac{2 }{100 }$
\end{itemize}
\section*{Exercice 2 : Écris les nombres suivants en lettres (de deux façons)}
\begin{itemize}
\item 1 175 , 653
\item 288 , 52
\item 123 , 565
\item 542 , 98
\end{itemize}
\section*{Exercice 3 : Dans le nombre 76 315 , 802 49}
\begin{itemize}
\item Quel est le chiffre des dixièmes~?
\item Quel est le chiffre des centièmes~?
\item Quel est le chiffre des millièmes~?
\item Quel est le chiffre des dix-millièmes~?
\item Recopie et complète~: 3 est le chiffre des \dotfill
\item Recopie et complète~: 6 est le chiffre des \dotfill
\item Quel est le nombre d'unités~?
\item Quel est le nombre de cent-millièmes~?
\end{itemize}
\section*{Exercice 4}
Sur une même droite graduée, place les points F, C et D d'abscisses respectives~:
\begin{itemize}
\item 1 , 7
\item 0 , 7
\item 2 , 8
\end{itemize}
\section*{Exercice 5 : Range les nombres suivants par ordre croissant}
\begin{itemize}
\item 11 , 921 7
\item 12 , 462
\item 11 , 577 6
\item 12 , 058 1
\item 12 , 289 1
\item 12 , 318 4
\item 11 , 840 1
\end{itemize}
\newpage
\section*{\textcolor{red}{Correction}}
\subsection*{Exercice 1}
\begin{itemize}
\item $\dfrac{42 468 }{100 } = 424 , 68$
\item $\dfrac{19 795 }{10 } = 1 979 , 5$
\item $\dfrac{51 773 }{1 000 } = 51 , 773$
\item $\dfrac{9 }{1 000 } + 7 + \dfrac{2 }{100 } = 7 , 029$
\end{itemize}
\subsection*{Exercice 2}
\begin{itemize}
\item 1 175 , 653
  \begin{itemize}
  \item Mille-cent-soixante-quinze virgule six-cent-cinquante-trois.
  \item Mille-cent-soixante-quinze unités et six-cent-cinquante-trois millièmes.
  \end{itemize}
\item 288 , 52
  \begin{itemize}
  \item Deux-cent-quatre-vingt-huit virgule cinquante-deux.
  \item Deux-cent-quatre-vingt-huit unités et cinquante-deux centièmes.
  \end{itemize}
\item 123 , 565
  \begin{itemize}
  \item Cent-vingt-trois virgule cinq-cent-soixante-cinq.
  \item Cent-vingt-trois unités et cinq-cent-soixante-cinq millièmes.
  \end{itemize}
\item 542 , 98
  \begin{itemize}
  \item Cinq-cent-quarante-deux virgule quatre-vingt-dix-huit.
  \item Cinq-cent-quarante-deux unités et quatre-vingt-dix-huit centièmes.
  \end{itemize}
\end{itemize}
\subsection*{Exercice 3}
\begin{itemize}
\item Le chiffre des dixièmes est \textcolor{red}{8}.
\item Le chiffre des centièmes est \textcolor{red}{0}.
\item Le chiffre des millièmes est \textcolor{red}{2}.
\item Le chiffre des dix-millièmes est \textcolor{red}{4}.
\item 3 est le chiffre des \textcolor{red}{centaines}.
\item 6 est le chiffre des \textcolor{red}{unités de mille}.
\item Le nombre d'unités est \textcolor{red}{76 315 }.
\item Le nombre de cent-millièmes est \textcolor{red}{7 631 580 249 }.
\end{itemize}
\subsection*{Exercice 4}
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\subsection*{Exercice 5}
$11 , 577 6 < 11 , 840 1 < 11 , 921 7 < 12 , 058 1 < 12 , 289 1 < 12 , 318 4 < 12 , 462$
\end{document}
