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{2}
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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 $69 + 199 = \quad \cdots \quad + 72$
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\begin{solution}
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$69 + 199 = 196 + 72 = 268$
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\end{solution}
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% Multiplications
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\part $12 \times 63 = \quad \cdots \quad \times 84$
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\begin{solution}
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$12 \times 63 = 9 \times 84 = 756$
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\end{solution}
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% Trou négatif
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\part $38 + 90 = \quad \cdots \quad + 138$
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\begin{solution}
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$38 + 90 = -10 + 138 = 128$
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\end{solution}
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% Multiplications
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\part $7 \times 5 = \quad \cdots \quad + 15$
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\begin{solution}
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$7 \times 5 = 20 + 15 = 35$
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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 10 donne 23?
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\begin{solution}
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Quand on multiple 10 par $\frac{23}{10} = 2.3$ on obtient $23$.
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\[ 10 \times 2.3 = 23 \]
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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 $8$ pour obtenir $17$?
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\begin{solution}
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Quand on multiple 8 par $\frac{17}{8} = 2.125$ on obtient $17$.
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\[ 8 \times 2.125 = 17 \]
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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 $3$ pour obtenir $20$?
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\begin{solution}
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Quand on multiple 3 par $\frac{20}{3}$ on obtient $20$.
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Multiplier par $0.15$ ne convient pas car c'est une valeur approchée. Si on le multiplie par $3$, on n'obtiendra pas exactement $20$.
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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 $A = 9 + 3 \times 7 = \dotfill$ \\
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\begin{solution}
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$A = 9 + 3 \times 7 = 9 + 21 = 30$
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\end{solution}
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\part $B = 10 \times 2 + 6 = \dotfill$ \\
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\begin{solution}
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$B = 10 \times 2 + 6 = 20 + 6 = 26$
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\end{solution}
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\part $C = ( 8 + 2 ) \times 10 = \dotfill$ \\
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\begin{solution}
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$C = ( 8 + 2 ) \times 10 = 10 \times 10 = 100$
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\end{solution}
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\part $D = ( 5 + 2 ) \times 8 \times 4 + 5 = \dotfill$ \\
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\begin{solution}
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$D = ( 5 + 2 ) \times 8 \times 4 + 5 = 7 \times 8 \times 4 + 5 = 56 \times 4 + 5 = 224 + 5 = 229$
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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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