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B Andelfinger (1978)
Mathematik M-8
W Breidenbach (1978)
Mathematik, 8. Schuljahr (Neubearbeitung)
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W Zirkel (1963)
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P Ehringhaus (1964)
Alle Neun! … ViereckePrax. Math., 6
J Schönbeck, H Schupp (1977)
Plus 8
L Palzkill, W Schwirtz (1971)
Die Raumlehrestunde
H Winter, Th Ziegler (1972)
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Th Lambachsr, W Schweizer (1968)
Geometrie 1
M Ernst (1971)
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H Schupp (1971)
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F Pugehl (1917)
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Raumlehre in der Volksschule
The socalled “Haus der Vierecke” is considered as an elementary example for certain patterns of concept finding in mathematics. In this respect, the following aspects are discussed: (a) Generalizations should fill the gaps in the system of the concepts. (b) Generalizations are not unique. (c) The introduction of new definitions displaces some preceding concepts. (d) By analogy, further concepts may be found.
Journal für Mathematik-Didaktik – Springer Journals
Published: Dec 20, 2013
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