182 lines
4.5 KiB
TeX
182 lines
4.5 KiB
TeX
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\documentclass[a4paper,12pt, table]{/media/documents/Cours/Prof/Enseignements/2015-2016/tools/style/classDS}
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\usepackage{/media/documents/Cours/Prof/Enseignements/2015-2016/2015_2016}
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%\geometry{left=10mm,right=10mm, top=10mm, bottom=10mm}
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% Title Page
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\titre{1}
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% \seconde \premiereS \PSTMG \TSTMG
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\classe{Cinquième}
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\date{1 février 2016}
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%\duree{1 heure}
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\sujet{13}
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% DS DSCorr DM DMCorr Corr
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\typedoc{DM}
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\geometry{left=10mm,right=10mm, bottom= 10mm, top=10mm}
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%\printanswers
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\begin{document}
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\maketitle
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\ifprintanswers
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\begin{center}
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\Large Solution
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\end{center}
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\normalsize
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\else
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\textbf{Nom - Prénom}
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\fi
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\begin{questions}
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\question Completer ces opérations à trous pour qu'il y est égalité.
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\begin{multicols}{2}
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\begin{parts}
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% Facile
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\part $25 + 102 = \quad \cdots \quad + 144$
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\begin{solution}
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$25 + 102 = -17 + 144 = 127$
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\end{solution}
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% Multiplications
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\part $5 \times 98 = \quad \cdots \quad \times 35$
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\begin{solution}
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$5 \times 98 = 14 \times 35 = 490$
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\end{solution}
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% Trou négatif
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\part $95 + 62 = \quad \cdots \quad + 187$
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\begin{solution}
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$95 + 62 = -30 + 187 = 157$
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\end{solution}
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% Multiplications
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\part $14 \times 20 = \quad \cdots \quad + 15$
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\begin{solution}
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$14 \times 20 = 265 + 15 = 280$
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\end{solution}
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\end{parts}
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\end{multicols}
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\question Répondre aux questions en indiquant les calculs effectués.
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\begin{parts}
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\part Quel nombre multiplié par 4 donne 9?
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\begin{solution}
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Quand on multiple 4 par $\frac{9}{4} = 2.25$ on obtient $9$.
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\[ 4 \times 2.25 = 9 \]
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\end{solution}
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\ifprintanswers
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\else
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\begin{minipage}[t]{0.5\textwidth}
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Réponse: \dotfill
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\\[0.2cm]
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.\dotfill
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\\
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\end{minipage}
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\vline
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\begin{minipage}[t]{1.3\textwidth}
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Calculs
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\end{minipage}
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\fi
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\part Par combien faut-il multiplier $8$ pour obtenir $23$?
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\begin{solution}
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Quand on multiple 8 par $\frac{23}{8} = 2.875$ on obtient $23$.
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\[ 8 \times 2.875 = 23 \]
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\end{solution}
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\ifprintanswers
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\else
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\begin{minipage}[t]{0.5\textwidth}
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Réponse: \dotfill
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\\[0.2cm]
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.\dotfill
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\\
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\end{minipage}
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\vline
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\begin{minipage}[t]{1.3\textwidth}
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Calculs
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\end{minipage}
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\fi
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\part Par combien faut-il multiplier $7$ pour obtenir $4$?
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\begin{solution}
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Quand on multiple 7 par $\frac{4}{7}$ on obtient $4$.
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Multiplier par $1.75$ ne convient pas car c'est une valeur approchée. Si on le multiplie par $7$, on n'obtiendra pas exactement $4$.
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\end{solution}
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\ifprintanswers
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\else
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\begin{minipage}[t]{0.5\textwidth}
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Réponse: \dotfill
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\\[0.2cm]
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.\dotfill
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\\
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\end{minipage}
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\vline
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\begin{minipage}[t]{1.3\textwidth}
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Calculs
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\end{minipage}
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\fi
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\end{parts}
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\question Faire les calculs suivants en détaillant les étapes.
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\begin{parts}
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\part $A = 10 + 4 \times 8 = \dotfill$ \\
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\begin{solution}
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$A = 10 + 4 \times 8 = 10 + 32 = 42$
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\end{solution}
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\part $B = 4 \times 2 + 2 = \dotfill$ \\
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\begin{solution}
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$B = 4 \times 2 + 2 = 8 + 2 = 10$
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\end{solution}
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\part $C = ( 7 + 9 ) \times 4 = \dotfill$ \\
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\begin{solution}
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$C = ( 7 + 9 ) \times 4 = 16 \times 4 = 64$
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\end{solution}
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\part $D = ( 6 + 3 ) \times 9 \times 3 + 2 = \dotfill$ \\
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\begin{solution}
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$D = ( 6 + 3 ) \times 9 \times 3 + 2 = 9 \times 9 \times 3 + 2 = 81 \times 3 + 2 = 243 + 2 = 245$
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\end{solution}
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\end{parts}
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\question Tracer les symétriques (en codant les traits de constructions)
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\hspace{-1cm}
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\includegraphics[scale=1.0]{./fig/sym}
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\end{questions}
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\end{document}
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%%% Local Variables:
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%%% mode: latex
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%%% TeX-master: "master"
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%%% End:
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