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How much does the school trip cost? Structure and solution of a concrete practical problem. (Wie viel kostet die Klassenfahrt? Strukturierung und Lösung eines konkreten sachlichen Problems.) (German)
Schulmag. 5-10 81, No. 7-8, 23-24 (2013).
Classification: D83 M93 F93
1
Perimeter and circular arc - an activity-oriented teaching unit. (Kreisumfang - Kreisbogen. Eine handlungsorientierte Übungsstunde.) (German)
Schulmag. 5-10 75, No. 5, 29-34 (2007).
Classification: G33 D83
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