### „Vertical mathematising is the most likely part of the learning process for the bonds with reality to be loosened and eventually cut.“

Quelle: Revisiting Mathematics Education (1991), p. 68

0 0## Hans Freudenthal

**Geburtstag:** 17. September 1905**Todesdatum:** 13. Oktober 1990

Hans Freudenthal war ein niederländischer Mathematiker und Wissenschaftsdidaktiker.

Quelle: Revisiting Mathematics Education (1991), p. 68

Quelle: Mathematics as an Educational Task (1973), p. 133

Quelle: Revisiting Mathematics Education (1991), p. 41

Quelle: The Concept and the Role of the Model in Mathematics and Natural and Social Sciences (1961), p. 79; Part of the article "Models in applied probability", published earlier in Synthese, 12 (1960), p. 204-210.

Quelle: Mathematics as an Educational Task (1973), p. v;As cited in: Ben Wilbrink (2013)

Quelle: The Concept and the Role of the Model in Mathematics and Natural and Social Sciences (1961), p. 80; Cited in: Lev D. Beklemishev (2000) Provability, Computability and Reflection. p. 9

Quelle: The Concept and the Role of the Model in Mathematics and Natural and Social Sciences (1961), p. 79; Partly cited in: Norman L. Johnson and Samuel Kotz (1977) Urn Models and Their Application: an. Approach to Modern Discrete Probability Theory http://dis.unal.edu.co/~gjhernandezp/sim/hide/Urn%20Models%20and%20Their%20Application%20-%20An%20approach%20to%20modern%20discrete%20probability%20theory_Norman%20L.Johnson(Wiley%201977%20413s).pdf, John Wiley & Sons.

Quelle: Mathematics as an Educational Task (1973), p. 63; As cited in: Anne Birgitte Fyhn (2007) Angles as Tool for Grasping Space http://munin.uit.no/bitstream/handle/10037/994/thesis.pdf?sequence=1. p. 2

Quelle: Mathematics as an Educational Task (1973), p. 75-76; As cited in: Anne Birgitte Fyhn (2007, p. 6)

Quelle: Mathematics as an Educational Task (1973), p. 403

Quelle: The Concept and the Role of the Model in Mathematics and Natural and Social Sciences (1961), p. ix

Quelle: Revisiting Mathematics Education (1991), p. 48; As cited in: Anne Birgitte Fyhn (2007, p. 14)

Hans Freudenthal (1977) Weeding and Sowing: Preface to a Science of Mathematical Education. p. 33

Freudenthal (1988) "Ontwikkelingsonderzoek"; As cited Els Feijs (2005) Constructing a Learning Environment that Promotes Reinvention

Quelle: The Concept and the Role of the Model in Mathematics and Natural and Social Sciences (1961), p. ix

Quelle: Didactical Phenomenology of Mathematical Structures (1983), p. 47