Tinne Hoff Kjeldsen
Professor, Deputy Head of Department, Professor
Department of Mathematical Sciences
Universitetsparken 5, 2100 København Ã
Member of:
Didactics of Mathematics
- 2024
- Accepted/In press
From duality in mathematical programming to Fenchel duality and convex analysis: Duality as a force of inspiration in the creation of new mathematics
Kjeldsen, Tinne Hoff, 2024, (Accepted/In press) Preliminary title: Duality, an archetype of mathematical thinking. Krömer, R., Haffner, E. & Volkert, K. (eds.). Birkhäuser Verlag, 27 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2023
- Published
A Problem-Oriented Multiple Perspective Way into History of Mathematics – What, Why and How Illustrated by Practice
Kjeldsen, Tinne Hoff, 2023, The Richness of the History of Mathematics. Chemla, K., Ferreiròs, J., Ji, L., Scholz, E. & Wang, C. (eds.). Springer, p. 3-26 24 p. (Archimedes, Vol. 66).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Mathematical Modelling and Digital Tools —And How a Merger Can Support Students’ Learning
Jessen, Britta Eyrich & Kjeldsen, Tinne Hoff, 2023, Mathematical Competencies in the Digital Era. Jankvist, U. T. & Geraniou, E. (eds.). Cham: Springer, p. 99-118 20 p. (Mathematics Education in the Digital Era MEDE, Vol. 20).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2022
- Published
Developing historical awareness through the use of primary sources in the teaching and learning of mathematics
Kjeldsen, Tinne Hoff, Clark, K. M. & Jankvist, U. T., 2022, Mathematics and its Connections to the Arts and Sciences (MACAS): 15 Years of Interdisciplinary Mathematics Education. Michelsen, C., Beckmann, A., Freiman, V., Jankvist, U. T. & Savard, A. (eds.). Cham: Springer, p. 45-68 24 p. (Mathematics Education in the Digital Era MEDE, Vol. 19).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Three past mathematicians’ views on history in mathematics teaching and learning: Poincaré, Klein, and Freudenthal
Jahnke, H., Jankvist, U. T. & Kjeldsen, Tinne Hoff, 2022, In: Z D M. 54, p. 1421-1433Research output: Contribution to journal › Journal article › peer-review
- 2021
Hvad er matematik?
Kjeldsen, Tinne Hoff, 2021, Håndbog om matematik i grundskolen: Læring, undervisning og vejledning. Andersen, M. W. & Weng, P. (eds.). 2 ed. Dansk Psykologisk Forlag, p. 12-24Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- Published
Mathematical modelling in scientific contexts and in Danish upper secondary education: are there any relations?
Jessen, Britta Eyrich & Kjeldsen, Tinne Hoff, 2021, In: Quadrante. 30, 2, p. 37-57 21 p.Research output: Contribution to journal › Journal article › peer-review
- 2020
- Published
Episodes of interferences of War and Mathematics in the Life and Work of Werner Fenchel
Kjeldsen, Tinne Hoff, 2020, In: Amazônia. 16, 35, p. 15-27Research output: Contribution to journal › Journal article › peer-review
- Published
History of Mathematics in Mathematics Education – An Overview.
Clark, K. M., Kjeldsen, Tinne Hoff, Schorcht, S. & Tzanakis, C., 2020, In: Mathematica Didactica. 42, p. 1-26 26 p.Research output: Contribution to journal › Journal article › peer-review
- Published
Living by Numbers: The Strategies and Life Stories of Mid-Twentieth Century Danish Women Mathematicians
Kjeldsen, Tinne Hoff, Fajstrup, L. & Gjerløff, Anne Katrine, 2020, Against All Odds: Women's Ways to Mathematical Research Since 1800. Kaufholz-Soldat, E. & Oswald, N. M. R. (eds.). Springer, p. 249-277 (Women in the history of philosophy and sciences; No. 6).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2019
- Published
A Multiple Perspective Approach to History of Mathematics: Mathematical Programming and Rashevsky's Early Development of Mathematical Biology in the Twentieth Century.
Kjeldsen, Tinne Hoff, 2019, Interfaces between Mathematical Practices and Mathematical Education. Schubring, G. (ed.). Springer, p. 143-167 25 p. (International Studies in the History of Mathematics and its Teaching).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Proceedings of the Eighth European Summer University on History and Epistemology in mathematics Education (ESU-8)
Barbin, E. (ed.), Jankvist, U. T. (ed.), Kjeldsen, Tinne Hoff (ed.), Smestad, B. (ed.) & Tzanakis, C. (ed.), 2019, Oslo Metropolitan University. 885 p. (OsloMet Skriftserie, Vol. 11).Research output: Book/Report › Anthology › peer-review
- 2018
- Published
Inquiry reflective learning environments and the use of the history of artifacts as a resource in mathematics education
Johansen, Mikkel Willum & Kjeldsen, Tinne Hoff, Apr 2018, Mathematics, Education and History : Towards a Harmonious Partnership. Clark, K. M., Kjeldsen, T. H., Schorcht, S. & Tzanakis, C. (eds.). Springer, p. 27-42 16 p. (ICME-13 Monographs).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Creating inquiry-reflective learning environments in mathematics through history and original sources
Kjeldsen, Tinne Hoff, 2018, Circulation: mathématiques, historie, enseignement. Auvinet, J., Moussard, G. & Saint Raymond, X. (eds.). PULIM Presses universitaires de Limoges, p. 13-29 17 p. (Savoirs scientifiques & Pratiques d'enseignement).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Findes der skønhed i leksikografi?
Kjeldsen, Tinne Hoff, Pálfi, L. & Wolgast, K., 2018, In: Fund og Forskning i Det Kongelige Biblioteks Samlinger. 57, p. 221-239 19 p.Research output: Contribution to journal › Journal article › peer-review
- Published
Integrating History and Epistemology of Mathematics in Mathematics Education
Kjeldsen, Tinne Hoff, Clark, K., Schorcht, S. & Tzanakis, C., 2018, Mathematics, Education and History: Towards a Harmonius Partnership. Kjeldsen, T. H., Clark, K. M., Schorcht, S. & Tzanakis, C. (eds.). Springer, p. 1-23 23 p. (ICME-13 Monographs).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Interdisciplinary Problem Oriented Project Work - a Learning Environment for Mathematical Modelling
Blomhøj, M. & Kjeldsen, Tinne Hoff, 2018, Evaluierte Lernumgebungen zum Modellieren : a Learning Environment for Mathematical Modelling. Blum, W. & Schukajlow, S. (eds.). Wiesbaden: Springer, p. 11-29Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Mathematics, Education and History: Towards a Harmonious Partnership
Clark, K. M. (ed.), Kjeldsen, Tinne Hoff (ed.), Schorcht, S. (ed.) & Tzanakis, C. (ed.), 2018, Springer. (ICME-13 Monographs).Research output: Book/Report › Anthology › peer-review
- 2017
- Published
An early Debate in Mathematical Biology and Its Value for Teaching: Rashevsky's 1934 Paper on Cell Division
Kjeldsen, Tinne Hoff, 2017, In: The Mathematical Intelligencer. 39, 2, p. 36-45Research output: Contribution to journal › Journal article › peer-review
- Published
Being a Female Mathematician in the 20th century seen through the eyes of four Danes
Fajstrup, L., Kjeldsen, Tinne Hoff & Gjerløff, Anne Katrine, 2017, In: Oberwolfach Reports. 2017, 2, p. 99-102 4 p.Research output: Contribution to journal › Conference article
- Published
Mini-workshop:VWomen in Mathematics: Historical and Modern Perspectives
Kjeldsen, Tinne Hoff, Oswald, N. & Tobies, R., 2017, In: Oberwolfach Reports. 14, 1, p. 83-85Research output: Contribution to journal › Conference article
- Published
Rook Review: Taming the Unknown: A History of Algebra from Antiquity to the Early Twentieth Century / Victor J. Katz and Karen Hunger Parshall. Princeton/Oxford (Princeton University Press). 2014. 485pp., figs., bibl., index
Kjeldsen, Tinne Hoff, 2017, In: Historia Mathematica. 44, 1, 70 p.Research output: Contribution to journal › Literature review
- Published
Students' video tutorials as a means for supporting and analysing their reflections on the limit concept
Kjeldsen, Tinne Hoff & Blomhøj, M., 2017, Proceedings of the Tenth Congress of the European Society for Research in Mathematics Education (CERME10, February 1-5, 2017). Dublin, Ireland. Dooley, T. & Gueudet, G. (eds.). Dublin, Irland: DCU Institute of Education and ERME, p. 3833-3840Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Topic Study Group 25: The role of history of mathematics in mathematics education
Tzanakis, C., Wang, X., Clark, K., Kjeldsen, Tinne Hoff & Schorcht, S., 2017, Proceedings of the 13th International Congress on Mathematical Education: ICME-13. Kaiser, G. (ed.). Springer, p. 491-495 (ICME-13 Monographs).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- 2016
- Published
Enacting Inquiry Learning in Mathematics through History
Kjeldsen, Tinne Hoff, 2016, Proceedings of the 2016 ICME Satellite Meeting of the International Study Group on the Relations Between the History and Pedagogy of Mathematics. Radford, L., Furinghetti, F. & Hausberger, T. (eds.). IREM de Montpellier, p. 453-464Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
History of Mathematics in Mathematics Education: Recent devlopments
Clark, K., Kjeldsen, Tinne Hoff, Schorcht, S., Tzanakis, C. & Wang, X., 2016, Proceedings of the 2016 ICME Satellite Meeting of the International Study Group on the Relations Between the History and Pedagogy of Mathematics. Radford, L., Furinghetti, F. & Hausberger, T. (eds.). IREM de Montpellier, p. 135-179Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- Published
History of Mathematics: Models and Visualization in the Mathematical and Physical Sciences: Introduction by the Organisers
Gray, J., Hashagen, U., Kjeldsen, Tinne Hoff & Rowe, D., 2016, In: Oberwolfach Reports. 12, 4, p. 2767-2769Research output: Contribution to journal › Conference article
- Published
New Medias – New Ways: Students’ learning in a calculus course through publication of own mathematical products
Kjeldsen, Tinne Hoff, 2016, Teaching for Active Learning TAL2015: Proceedings fra Konferencen TAL2015 på Syddansk Universitet, 2015. Troelsen, R. (ed.). Syddansk Universitet, p. 14-19Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Communication
- Published
Nicolas Rashevsky and Alfred Lotka: Different modelling strategies in the beginning of mathematical biology in the early 20th century
Kjeldsen, Tinne Hoff & Loetggers, A., 2016, In: Oberwolfach Reports. 12, 4, p. 2779-2783Research output: Contribution to journal › Conference article
- Published
Original Sources in the Mathematical Classroom
Barnett, J. H. & Kjeldsen, Tinne Hoff, 2016, Proceedings of the 2016 ICME Satellite Meeting of the International Study Group on the Relations Between the History and Pedagogy of Mathematics. Radford, L., Furinghetti, F. & Hausberger, T. (eds.). IREM de Montpellier, p. 205-207Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- Published
Problembaseret undervisning i forskning: med eksplicit fokus på professional adfærd
Kjeldsen, Tinne Hoff & Dahlgaard, K., 2016, Teaching for Active Learning TAL2015: Proceedings fra Konferencen TAL2015 på Syddansk Universitet, 2015. Troelsen, R. (ed.). Syddansk Universitet, p. 26-31Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Communication
- Published
Review : Christopher J. Phillips. The New Math: A Political History. 233 pp., figs., bibl., index. - Chicago/London: University of Chicago Press, 2015
Kjeldsen, Tinne Hoff, 2016, In: Isis. 107, 2, p. 445-446Research output: Contribution to journal › Literature review
- 2015
A Critical Review of Key Concepts in PPL
Andersen, A. S. & Kjeldsen, Tinne Hoff, 2015, The Roskilde Model. Andersen, A. S. & Heilesen, S. B. (eds.). Springer VS, p. 17-36 20 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
Case Analysis of some Critical Factors in Relation to Learning Outcomes of PPL: The Formation of Flint
Kjeldsen, Tinne Hoff & Andersen, A. S., 2015, The Roskilde Model. Andersen, A. S. & Heilesen, S. B. (eds.). Springer VS, p. 37-45 9 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
History and Epistemology in Mathematics Education: Proceedings of the Seventh European Summer University
Kjeldsen, Tinne Hoff (ed.), Jankvist, U. (ed.) & Barbin, E. (ed.), 2015, Danish School of Education, Aarhus University.Research output: Book/Report › Anthology › peer-review
- Published
Interactions Between Mathematics and Physics: The History of the Concept of Function—Teaching with and About Nature of Mathematics
Kjeldsen, Tinne Hoff & Lützen, Jesper, 2015, In: Science & Education. 24, 5, p. 543-559Research output: Contribution to journal › Journal article › peer-review
- Published
Mathematics as a tool-driven practice: the use of material and conceptual artefacts in mathematics
Kjeldsen, Tinne Hoff & Johansen, Mikkel Willum, 2015, History and Epistemology in Mathematics Education Proceedings of the Seventh European Summer University ESU 7. Barbin, E., Jankvist, U. T. & Kjeldsen, T. H. (eds.). Danish School of Education, p. 79-95Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Modelling: from theory to practice
Jessen, Britta Eyrich, Kjeldsen, Tinne Hoff & Winsløw, Carl, 2015, Proceedings of the Ninth Congress of the European Society for Research in Mathematics Education. Krainer, K. & Vondrová, N. (eds.). Prague, Czech Republic, p. 876-882 10 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Modelling: from Theory to Practice
Kjeldsen, Tinne Hoff, Jessen, B. E. & Winsløw, C., 2015, (Accepted/In press) In: Proceedings of the Congress of the European Society for Research in Mathematics Education. 9, 10 p.Research output: Contribution to journal › Conference article › peer-review
The Decay of Alcohol and THC in the Human Body
Kjeldsen, Tinne Hoff & Blomhøj, M., 2015, Mathematical Lessons Learned from Across the World, Grades 7-12. Lott, J. W. & Lott, C. J. (eds.). National Council of Teachers of Mathematics, p. 107-112 6 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
Theoretical Foundation of PPL at Roskilde University
Andersen, A. S. & Kjeldsen, Tinne Hoff, 2015, The Roskilde Model. Andersen, A. S. & Heilesen, S. B. (eds.). Springer VS, p. 3-16 14 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2014
A Historical View of Nonlinear Programming: Traces and Emergence
Kjeldsen, Tinne Hoff & Giorgi, G., 2014, Traces and Emergence of Nonlinear Programming. Giorgi, G. & Hoff Kjeldsen, T. (eds.). Basel: Birkhäuser Verlag, p. 1-43Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
Bridging History of the Concept of a Function with Learning of Mathematics: Students’ meta-discursive rules, concept formation and historical awareness
Kjeldsen, Tinne Hoff & Petersen, P. H., 2014, In: Science & Education. 23, 1, p. 29-45Research output: Contribution to journal › Journal article › peer-review
Brug af didaktisk teori i læreres udvikling af modelleringsprojekter i matematik
Blomhøj, M. & Kjeldsen, Tinne Hoff, 2014, In: MONA - Matematik- og Naturfagsdidaktik. 2014, 2Research output: Contribution to journal › Journal article › peer-review
Taxicab Geometry
Kjeldsen, Tinne Hoff & Blomhøj, M., 2014, Mathematics Lessons Learned from Across the World: Prekindergarten - Grade 8. Lott, J. W. & Lott, C. J. (eds.). Reston: National Council of Teachers of Mathematics, p. 91-99Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
Teaching With and About the Nature of Mathematics through History of Mathematics: Enacting Inquiry Learning in Mathematics
Kjeldsen, Tinne Hoff, 2014, In: Education Sciences. Special issue, p. 38-55 18 p.Research output: Contribution to journal › Journal article › peer-review
The Role of History and Philosophy in University Mathematics Education
Kjeldsen, Tinne Hoff & Carter, J. M. H. G., 2014, International Handbook of Research in History, Philosophy and Science Teaching. Matthews, M. R. (ed.). Dordrecht: Springer Publishing Company, Vol. II. p. 837-871Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
Traces and Emergence of Nonlinear Programming
Kjeldsen, Tinne Hoff (ed.) & Giorgi, G. (ed.), 2014, Basel: Birkhäuser Verlag.Research output: Book/Report › Anthology › peer-review
- 2013
Projektarbejde og modellering
Blomhøj, M. & Kjeldsen, Tinne Hoff, Nov 2013, In: Tangenten. 24, 4, p. 29-35 7 p.Research output: Contribution to journal › Journal article
Developing Students’ Reflections on the Function and Status of Mathematical Modeling in Different Scientific Practices: History as a Provider of Cases
Kjeldsen, Tinne Hoff & Blomhøj, M., 2013, In: Science & Education. 22, 9, p. 2157-2171Research output: Contribution to journal › Journal article › peer-review
ID: 40937860
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History of Mathematics in Mathematics Education: Recent devlopments
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Teaching With and About the Nature of Mathematics through History of Mathematics: Enacting Inquiry Learning in Mathematics
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Original Sources in the Mathematical Classroom
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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