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Result 1 to 12 of 12 total

Errors as an enrichment of teaching ‒ suggestions and design proposals. (Fehler as Bereicherung des Unterrichts ‒ Anregungen und Gestaltungsvorschläge.) (German)
Mathematikunterricht 62, No. 3, 31-40 (2016).
Classification: D70 D50
1
Different kinds of strategic deficits in mathematical problem solving. (Verschiedene Ausprägungen von strategischen Defiziten beim mathematischen Problemlösen.) (German)
Mathematikunterricht 62, No. 3, 21-30 (2016).
Classification: D70 D50
2
Non-Euclidean geometries ‒ how many parallel lines do actually exist for a given line? (Nichteuklidische Geometrien ‒ Wie viele Parallelen gibt es eigentlich zu einer Geraden?) (German)
Wurzel 50, No. 2, 32-36 (2016).
Classification: G90
3
A geometric paradox. (Ein geometrisches Paradoxon.) (German)
MNU J. 69, No. 1, 14-18 (2016).
Classification: G74 E54 D74
4
A crazy triangular surface formula. (Eine verrückte Dreiecksflächenformel.) (German)
Monoid 34, No. 120, 6-14 (2014).
Classification: G90
5
The idea of heuristic reconstruction. (Die Idee der heuristischen Rekonstruktion.) (German)
Mathematikunterricht 60, No. 5, 4-13 (2014).
Classification: D50 E50 G40
6
The relation of the angle sum of a triangle and the property of parallel lines in elementary school mathematics. (Korean. English summary)
J. Korean Soc. Math. Educ., Ser. C, Educ. Prim. Sch. Math. 16, No. 2, 183-192 (2013).
Classification: G40 U20
7
Yet five different ways of calculation of $\operatorname{tg}\frac{5π}{24}$. (Još pet raznih načina izračunavanja $\operatorname{tg}\frac{5π}{24}$.) (BS. English summary)
MAT-KOL (Banja Luka) 18, No. 2, 11-17 (2012).
Classification: G40 G60
8
Nine different manners of calculation of $tg\frac{5π}{24}$. (Devet raznih načina izračunavanja $tg\frac{5π}{24}$.) (Croatian. English summary)
MAT-KOL (Banja Luka) 17, No. 2, 9-16 (2011).
Classification: G60 G40
9
Research in the teaching pattern of “situation-problem” in our own school ‒ “using the regular polygons with the same length side to floor” teaching case. (Chinese. English summary)
J. Math. Educ. (Tianjin) 18, No. 1, 99-102 (2009).
Classification: D40 G40
10
The textbook in mathematics education: Development tendencies between 1870 and 2000. (Das Schulbuch im Mathematikunterricht: Entwicklungstendenzen zwischen 1870 und 2000.) (German)
MNU, Math. Naturwiss. Unterr. 61, No. 6, 326-332 (2008).
Classification: U20 A30
11
Proofs and hypotheses. (English)
ZDM, Int. J. Math. Educ. 39, No. 1-2, 79-86 (2007).
Classification: E50 D40 G40
12
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