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M gliche Ursachen von Rechenfehlern erkennen, gezielte F rderma nahmen setzen

Einfhrung. Eine Untersuchung an 333 (vllig normalen) Kindern von der Vorschule bis zur fnften Schulstufe ergab, dass dergleichen Unsinnsaufgaben von ca. 10% der Erstklassler, ca. 30% der Zweitklassler und ca. 60% der Dritt- und Viertklassler gelst wurden. . Auf einem Schiff befinden s

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M gliche Ursachen von Rechenfehlern erkennen, gezielte F rderma nahmen setzen

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