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Student actions as elements of competence models. (Schülerhandlungen als Elemente fachdidaktisch motivierter Kompetenzmodellierungen.) (German. English summary)
J. Math.-Didakt. 37, No. 2, 289-317 (2016).
Classification: C70 C30 I20
1
Generalizing Viviani’s theorem. (Verallgemeinerung des Satzes von Viviani.) (German)
Mathematikinformation 63, 3-10 (2015).
Classification: G40 E50
2
Escher tessellations. Investigating Escher tessellations: congruence and symmetry. (Escher-Parkettierungen. Erforschung von Escher-Parketten: Kongruenz und Symmetrie.) (German)
Mathematik 5 bis 10 32, 18-21 (2015).
Classification: M83 G93 G53
3
Situating student errors: linguistic-to-algebra translation errors. (English)
Int. J. Math. Teach. Learn. 2015, 29 p., electronic only (2015).
Classification: D70 C50 E40
4
Mathematics in unusual places. I: Manhole covers. (English)
Equals, Anniversary Edition, 12-15 (2014).
Classification: G20 G40 M90 D70
5
Scratch it out! Enhancing geometrical understanding. (English)
Teach. Child. Math. 21, No. 3, 185-188 (2014).
Classification: G52 U72
6
The geometry of Tetris. (English)
Math. Teach. (Reston) 108, No. 1, 58-62 (2014).
Classification: G50 U70 A20
7
Middle-school students’ concept images of geometric translations. (English)
J. Math. Behav. 36, 33-50 (2014).
Classification: G53 C33
8
Transformations and handheld technology. (English)
Math. Teach. Middle Sch. 18, No. 7, 444-450 (2013).
Classification: G53 U73
9
Teaching isometries based on van Hiele model of geometric thought. (English)
Šedivý, Ondrej (ed.) et al., Slovné a konštrukčné úlohy ako prostriedok k rozvoju logického myslenia. Nitra: Constantine The Philosopher University in Nitra, Faculty of Natural Sciences (ISBN 978-80-558-0238-1). Prírodovedec 516, 11-18 (2013).
Classification: G50 G80
10
Rotations in the Gaussian number plane. II. (Drehungen in der Gaußschen Zahlenebene. II.) (German)
Wurzel 47, No. 5, 90-96 (2013).
Classification: G50 G70 F50 Reviewer: Peter Dürr (Linkenheim-Hochstetten)
11
17. II. (German)
Wurzel 46, No. 12, 258-265 (2012).
Classification: G40 G50 G90 K30
12
17. I. (German)
Wurzel 46, No. 11, 235-242 (2012).
Classification: G40 G50 G90 H40
13
On integration of the three basic isometric transformations (translation, reflection and rotation) with Euclidean plane geometry in Chinese junior middle school’s traditional plane geometry courses. (Chinese. English summary)
J. Math. Educ. (Tianjin) 21, No. 4, 95-99 (2012).
Classification: G73 G43 G53
14
Using the TI-Nspire CAS to explore areas of ellipses. (English)
Math. Teach. (Reston) 105, No. 5, 384-390 (2011).
Classification: G70 U70
15
Tessellations with low symmetry. (Parkettierungen mit geringer Symmetrie.) (German)
MNU, Math. Naturwiss. Unterr. 64, No. 7, 392-397 (2011).
Classification: G90
16
Deepening understanding of transformation through proof. (English)
Math. Teach. (Reston) 104, No. 9, 716-722 (2011).
Classification: G50 E50 U70
17
Assessing the difficulty of mathematical translations: synthesizing the literature and novel findings. (English)
Int. Electron. J. Math. Educ. 6, No. 3, 113-133 (2011).
Classification: C30 D70
18
Prospective middle school mathematics teachers’ preconceptions of geometric translations. (English)
Educ. Stud. Math. 78, No. 2, 231-260 (2011).
Classification: G59 G79 C39
19
Examination of Frieze groups. Pt. 2. (Untersuchung von Friesgruppen. T. 2.) (German)
Wurzel 45, No. 2, 36-41 (2011).
Classification: H40 G50 M80
20
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