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Result 1 to 12 of 12 total

Designing non-constructability tasks in a dynamic geometry environment. (English)
Leung, Allen (ed.) et al., Digital technologies in designing mathematics education tasks. Potential and pitfalls. Cham: Springer (ISBN 978-3-319-43421-6/hbk; 978-3-319-43423-0/ebook). Mathematics Education in the Digital Era 8, 99-120 (2017).
Classification: U70 G40 G80 D50
1
Juggling reference frames in the microworld Mak-Trace: the case of a student with MLD. (English)
Nicol, Cynthia (ed.) et al., Proceedings of the 38th conference of the International Group for the Psychology of Mathematics Education “Mathematics education at the edge", PME 38 held jointly with the 36th conference of PME-NA, Vancouver, Canada, July 15‒20, 2014, Vol. 2. [s. l.]: International Group for the Psychology of Mathematics Education (ISBN 978-0-86491-360-9/set; 978-0-86491-362-3/v.2). 81-88 (2014).
Classification: C33 C43 D73
2
Straight on the sphere: meanings and artefacts. (English)
Lindmeier, Anke M. (ed.) et al., Proceedings of the 37th conference of the International Group for the Psychology of Mathematics Education “Mathematics learning across the life span", PME 37, Kiel, Germany, July 28‒August 2, 2013. Vol. 2. Kiel: IPN‒Leibniz Institute for Science and Mathematics Education at the University of Kiel (ISBN 978-3-89088-288-8). 33-40 (2013).
Classification: G92 C32
3
Reasoning by contradiction in dynamic geometry. (English. Spanish summary)
PNA 7, No. 2, 63-73 (2013).
Classification: E50 G40 U70
4
To exist or not to exist: example generation in real analysis. (English)
ZDM, Int. J. Math. Educ. 43, No. 2, 219-232 (2011).
Classification: E40 C30 D40 I10
5
Generating examples: focus on processes. (English)
ZDM, Int. J. Math. Educ. 43, No. 2, 205-217 (2011).
Classification: E40 E50 D40 C30
6
Indirect proof: What is specific to this way of proving? (English)
ZDM, Int. J. Math. Educ. 40, No. 3, 401-412 (2008).
Classification: E50
7
The pleasure of playing with numbers. (Il piacere di giocare con i numeri.) (Italian. English summary)
Insegn. Mat. Sci. Integr. 30A-B, No. 4, 315-354 (2007).
Classification: D44 D84
8
Proof by contradiction: a model for cognitive and didactic analysis. (La dimostrazione per assurdo: un modello per un’analisi cognitiva e didattica.) (Italian. English summary)
Insegn. Mat. Sci. Integr. 29A-B, No. 4, 385-414 (2006).
Classification: E50 D30 D40
9
Mathematical negation: a classification from the cognitive view. (Negare in matematica: una classificazione dal punto di vista cognitivo.) (Italian. English summary)
Insegn. Mat. Sci. Integr. 29B, No. 1, 41-65 (2006).
Classification: E35 E45 E55 C55 C35
10
A statement, the contrapositive and the inverse: Intuition and argumentation. (English)
Johnsen Høines, Marit (ed.) et al., Proceedings of the 28th international conference of the International Group for the Psychology of Mathematics Education, PME 28, Bergen, Norway, July 14‒18, 2004. Bergen: Bergen University College. Part II, 47-54 (2004).
Classification: E33 E53 C33 C53 A63
11
Negation in mathematics: obstacles emerging from an exploratory study. (English)
van den Heuvel-Panhuizen, Marja, Proceedings of the 25th conference of the International Group of the Psychology of Mathematics Education. Vol. 2. , (ISBN 90-74684-16-5). 49-56 (2001).
Classification: E35
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