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{17}
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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 $189 + 75 = \quad \cdots \quad + 36$
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\begin{solution}
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$189 + 75 = 228 + 36 = 264$
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\end{solution}
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% Multiplications
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\part $14 \times 56 = \quad \cdots \quad \times 98$
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\begin{solution}
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$14 \times 56 = 8 \times 98 = 784$
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\end{solution}
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% Trou négatif
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\part $109 + 59 = \quad \cdots \quad + 171$
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\begin{solution}
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$109 + 59 = -3 + 171 = 168$
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\end{solution}
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% Multiplications
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\part $18 \times 10 = \quad \cdots \quad + 10$
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\begin{solution}
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$18 \times 10 = 170 + 10 = 180$
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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 $2$ pour obtenir $7$?
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\begin{solution}
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Quand on multiple 2 par $\frac{7}{2} = 3.5$ on obtient $7$.
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\[ 2 \times 3.5 = 7 \]
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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 $21$ pour obtenir $13$?
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\begin{solution}
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Quand on multiple 21 par $\frac{13}{21}$ on obtient $13$.
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Multiplier par $1.6153846153846154$ ne convient pas car c'est une valeur approchée. Si on le multiplie par $21$, on n'obtiendra pas exactement $13$.
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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 $A = 8 + 2 \times 6 = \dotfill$ \\
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\begin{solution}
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$A = 8 + 2 \times 6 = 8 + 12 = 20$
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\end{solution}
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\part $B = 5 \times 10 + 7 = \dotfill$ \\
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\begin{solution}
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$B = 5 \times 10 + 7 = 50 + 7 = 57$
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\end{solution}
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\part $C = ( 9 + 7 ) \times 6 = \dotfill$ \\
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\begin{solution}
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$C = ( 9 + 7 ) \times 6 = 16 \times 6 = 96$
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\end{solution}
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\part $D = ( 7 + 4 ) \times 9 \times 7 + 6 = \dotfill$ \\
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\begin{solution}
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$D = ( 7 + 4 ) \times 9 \times 7 + 6 = 11 \times 9 \times 7 + 6 = 99 \times 7 + 6 = 693 + 6 = 699$
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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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