• Brüche erweitern und kürzen
  • ttry-Katalog
  • 06.10.2020
  • Mathematik
  • 6, 5
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  • 1
    Kürze mit 2.
    • 1810=95\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{18}{10} = \cloze{ \frac{9}{5} }
    • 1616=88\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{16}{16} = \cloze{ \frac{8}{8} }
    • 1218=69\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{12}{18} = \cloze{ \frac{6}{9} }
    • 1216=68\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{12}{16} = \cloze{ \frac{6}{8} }
    • 620=310\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{6}{20} = \cloze{ \frac{3}{10} }
    • 106=53\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{10}{6} = \cloze{ \frac{5}{3} }
    • 46=23\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{4}{6} = \cloze{ \frac{2}{3} }
    • 810=45\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{8}{10} = \cloze{ \frac{4}{5} }
    2
    Kürze mit 3.
    • 2427=89\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{24}{27} = \cloze{ \frac{8}{9} }
    • 1227=49\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{12}{27} = \cloze{ \frac{4}{9} }
    • 279=93\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{27}{9} = \cloze{ \frac{9}{3} }
    • 2415=85\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{24}{15} = \cloze{ \frac{8}{5} }
    • 2430=810\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{24}{30} = \cloze{ \frac{8}{10} }
    • 1818=66\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{18}{18} = \cloze{ \frac{6}{6} }
    • 1530=510\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{15}{30} = \cloze{ \frac{5}{10} }
    • 624=28\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{6}{24} = \cloze{ \frac{2}{8} }
    3
    Kürze mit 4.
    • 3620=95\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{36}{20} = \cloze{ \frac{9}{5} }
    • 168=42\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{16}{8} = \cloze{ \frac{4}{2} }
    • 3228=87\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{32}{28} = \cloze{ \frac{8}{7} }
    • 832=28\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{8}{32} = \cloze{ \frac{2}{8} }
    • 2016=54\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{20}{16} = \cloze{ \frac{5}{4} }
    • 824=26\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{8}{24} = \cloze{ \frac{2}{6} }
    • 2824=76\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{28}{24} = \cloze{ \frac{7}{6} }
    • 3232=88\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{32}{32} = \cloze{ \frac{8}{8} }
    4
    Kürze mit 5.
    • 2525=55\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{25}{25} = \cloze{ \frac{5}{5} }
    • 2510=52\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{25}{10} = \cloze{ \frac{5}{2} }
    • 4015=83\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{40}{15} = \cloze{ \frac{8}{3} }
    • 5040=108\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{50}{40} = \cloze{ \frac{10}{8} }
    • 2035=47\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{20}{35} = \cloze{ \frac{4}{7} }
    • 5045=109\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{50}{45} = \cloze{ \frac{10}{9} }
    • 4020=84\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{40}{20} = \cloze{ \frac{8}{4} }
    • 1520=34\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{15}{20} = \cloze{ \frac{3}{4} }
  • Die folgenden Aufgaben sind als Einstieg in das Thema gedacht. Weitere, etwas schwierigere Aufgaben finden Sie in den Vorlagen für die 6. Klasse - dort finden Sie außerdem Aufgaben zum Rechnen mit Brüchen.

    5
    Erweitere mit 2.
    • 37=614\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{3}{7} = \cloze{ \frac{6}{14} }
    • 75=1410\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{7}{5} = \cloze{ \frac{14}{10} }
    • 74=148\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{7}{4} = \cloze{ \frac{14}{8} }
    • 34=68\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{3}{4} = \cloze{ \frac{6}{8} }
    • 62=124\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{6}{2} = \cloze{ \frac{12}{4} }
    • 89=1618\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{8}{9} = \cloze{ \frac{16}{18} }
    • 38=616\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{3}{8} = \cloze{ \frac{6}{16} }
    • 83=166\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{8}{3} = \cloze{ \frac{16}{6} }
    6
    Erweitere mit 3.
    • 86=2418\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{8}{6} = \cloze{ \frac{24}{18} }
    • 17=321\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{1}{7} = \cloze{ \frac{3}{21} }
    • 25=615\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{2}{5} = \cloze{ \frac{6}{15} }
    • 89=2427\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{8}{9} = \cloze{ \frac{24}{27} }
    • 26=618\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{2}{6} = \cloze{ \frac{6}{18} }
    • 44=1212\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{4}{4} = \cloze{ \frac{12}{12} }
    • 83=249\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{8}{3} = \cloze{ \frac{24}{9} }
    • 68=1824\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{6}{8} = \cloze{ \frac{18}{24} }
    7
    Erweitere mit 4.
    • 56=2024\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{5}{6} = \cloze{ \frac{20}{24} }
    • 64=2416\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{6}{4} = \cloze{ \frac{24}{16} }
    • 33=1212\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{3}{3} = \cloze{ \frac{12}{12} }
    • 96=3624\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{9}{6} = \cloze{ \frac{36}{24} }
    • 14=416\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{1}{4} = \cloze{ \frac{4}{16} }
    • 28=832\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{2}{8} = \cloze{ \frac{8}{32} }
    • 69=2436\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{6}{9} = \cloze{ \frac{24}{36} }
    • 510=2040\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{5}{10} = \cloze{ \frac{20}{40} }
    8
    Erweitere mit 5.
    • 35=1525\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{3}{5} = \cloze{ \frac{15}{25} }
    • 52=2510\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{5}{2} = \cloze{ \frac{25}{10} }
    • 88=4040\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{8}{8} = \cloze{ \frac{40}{40} }
    • 78=3540\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{7}{8} = \cloze{ \frac{35}{40} }
    • 77=3535\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{7}{7} = \cloze{ \frac{35}{35} }
    • 56=2530\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{5}{6} = \cloze{ \frac{25}{30} }
    • 46=2030\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{4}{6} = \cloze{ \frac{20}{30} }
    • 29=1045\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} \frac{2}{9} = \cloze{ \frac{10}{45} }