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An experimental contribution for the introduction of metric concepts at lower secondary level. Ein experimenteller Beitrag zur Einfuehrung metrischer Begriffe in der Sekundarstufe 1(Contributo sperimentale per l’introduzione di concetti metrici nella scuola media inferiore). (Italian)
Insegn. Mat. (Dec 1981) v. 4(6) p. 79-129.
Classification: K33 D43 F63 G93
121
Proofs in mathematics teaching at lower secondary level. Didactical considerations, examplified with the triangular inequality. Beweisen im Mathematikunterricht der Sekundarstufe I. Didaktische Ueberlegungen am Beispiel der Dreiecksungleichung. (German)
OeMG advanced teachers training seminar. Lectures. OeMG-Lehrerfortbildungstagen. Vortraege. Oesterreichische Mathematische Gesellschaft, Vienna Jun 1980. p. 2-13 of 61 p. Papers presented at the OeMG advanced teachers training seminar on 28 Sep 1978 and 27 Sep 1979 in Klagenfurt and Leoben, Austria. Vortraege auf OeMG- Lehrerfortbildungstagen am 28 Sep 1978 und 27 Sep 1979 in Klagenfurt und Leoben. Ser. Title: OeMG Didaktik-Reihe. no. 3.
Classification: E53 G43 G93 D43
122
Geometric progression. Geometrische Progressionen. (English)
Math. Teaching. (Dec 1979) (no.89) p. 26-27.
Classification: I33 I34 G93 G94
123
Optimization: A Project in Mathematics and Communication. (English)
Math. Teach. (Reston) 92, No. 9, 764-67, 812 (1999).
Classification: G93
124
Exploring Fractal Geometry with Children. (English)
Sch. Sci. Math. 99, No. 2, 77-83 (1999).
Classification: G93
125
The Vortex Tessellation. (English)
Math. Teach. (Reston) 92, No. 4, 286-90 (1999).
Classification: G93
126
Gifted Mathematicians Constructing Their Own Geometries‒Changes in Knowledge and Attitude. (English)
Gift. Educ. Int. 12, No. 2, 102-05 (1997).
Classification: G93
127
Cross-and-Turn Tile Patterns. (English)
Math. Teach. Middle Sch. 2, No. 6, 430-37 (1997).
Classification: G93
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