Erich Chr. Wittmann

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Design Science and Its Importance in the German Mathematics Educational Discussion (ICME-13 Topical Surveys)
N�hrenb�rger, Marcus; R�sken-Winter, Bettina; Fung, Chun Ip; Schwarzkopf, Ralph; Wittmann, Erich Christian; Akinwunmi,...

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� 12.42

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Das Zahlenbuch. Arbeitsheft 3. Schuljahr. Allgemeine Ausgabe ab 2017
Wittmann, Erich C.; M�ller, Gerhard N.; N�hrenb�rger, Marcus; Schwarzkopf, Ralph; Bischoff, Melanie; G�tze, Daniela;...

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� 5.53

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Der Mathematikunterricht in der Primarstufe: Ziele � Inhalte Prinzipien � Beispiele
M�ller, Gerhard; Wittmann, Erich C.

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� 6.11

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Connecting Mathematics and Mathematics Education: Collected Papers on Mathematics Education as a Design Science
Wittmann, Erich Christian

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42 Denk- und Sachaufgaben: Wie Kinder mathematische Aufgaben l�sen und diskutieren
Rasch, Renate

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Didaktische Probleme der elementaren Algebra
Malle, G�nther

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� 21.84

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Gotik und Graphik im Mathematikunterricht: Konzepte mit Sketchpad und Mathematica
Neveling, Rolf Joachim

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� 43.98

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