Tinne Hoff Kjeldsen

Tinne Hoff Kjeldsen

Professor, Deputy Head of Department, Professor

Member of:

  • Didactics of Mathematics

ORCID: 0000-0002-2426-1622

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  1. BASE - et grundkursus i matematisk modellering: Problemstillinger til miniprojekter

    Kjeldsen, Tinne Hoff, Ottesen, J. T. & Blomhøj, M., 2005, Roskilde: Roskilde Universitet.

    Research output: Book/Report › Book › Education

  2. Landmåling og korttegning

    Kjeldsen, Tinne Hoff, 2005, Gyldendals Gymnasiematematik: B1 - Grundbog. Clausen, F., Schomacker, G. & Tolnø, J. (eds.). København: Gyldendal, p. 40-46 7 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education

  3. Hvad er matematik?

    Kjeldsen, Tinne Hoff, 2011, Akademisk Forlag. 208 p.

    Research output: Book/Report › Book › Communication

  4. 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. 2779-2783

    Research output: Contribution to journal › Conference article › Research

  5. Learning the integral concept through mathematical modellling

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2007, European Research in Mathematics: Proceedings of the Fifth Congress of the European Society for Research in Mathematics Education. Pitta-Pantazi, D. & Philippou, G. (eds.). University of Cyprus, p. 2070-2079 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  6. The historical background of nonlinear programming

    Kjeldsen, Tinne Hoff, 1997, Selected topics in mathematics: proceedings of the first Nordic summer school for female Ph.d. students of mathematics. Klisinska, A. & Persson, L-E. (eds.). Luleå, Sweden: Luleå tekniska universitet, p. 63-67

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  7. Project organised science studies at university level: exemplarity and interdisciplinarity

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2009, In: ZDM - International Journal on Mathematics Education. 41, 1-2, p. 183-198

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. 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. 3833-3840

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  9. 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

  10. Mathematical modelling as goal in mathematics education - developing of modelling competency through project work

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2010, The First Sourcebook on Nordic Research in Mathematics Education. Sriraman, B., Haapasalo, L., Søndergaard, B. D., Palsdottir, G., Goodchild, S. & Bergsten, C. (eds.). Information Age Publishing, p. 555-568 19 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  11. BASE - et grundkursus i matematisk modellering: Problemstillinger til miniprojekter

    Kjeldsen, Tinne Hoff, Blomhøj, M. & Ottesen, J. T., 2004, Roskilde: Roskilde Universitet. 92 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  12. 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. 12-24

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication

  13. 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. 543-559

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. HPM 2012 – The HPM Satellite Meeting of ICME 12: We were there

    Kjeldsen, Tinne Hoff & Barbin, E., 2012, In: HPM Newsletter. 81, p. 1-3

    Research output: Contribution to journal › Literature review › Communication

  15. History in mathematics education - why bother? Interdisciplinarity, mathematical competence and the learning of mathematics

    Kjeldsen, Tinne Hoff, 2010, Interdisciplinarity for the 21st Century: Proceedings of the 3rd International Symposium on Mathematics and its Connections to Arts and Sciences. Sriraman, B. & Freiman, V. (eds.). Information Age Publishing, p. 17-48

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  16. 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

  17. Hvad er matematik?

    Kjeldsen, Tinne Hoff, 2013, Håndbog om matematik i grundskolen: Læring, undervisning og vejledning. Andersen, M. W. & Weng, P. (eds.). Dansk Psykologisk Forlag, p. 12-24

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication

  18. History of convexity and mathematical programming: connections and relationships in two episodes of research in pure and applied mathematics of the 20th century

    Kjeldsen, Tinne Hoff, 2010, Proceedings of the International Congress of Mathematicians 2010 - Invited lectures. Bhatia, R. (ed.). New Delhi: Hindustan Book Agency, Vol. 4. p. 3233-3257

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  19. Does History have a Significant Role to Play for the Learning of Mathematics? Multiple perspective approach to history, and the learning of meta level rules of mathematical discourse

    Kjeldsen, Tinne Hoff, 2011, History and Epistemology in Mathematics Education: Proceedings of the 6th European Summer University.. Barbin, E., Kronfellner, M. & Tzanakis, C. (eds.). Wien: Verlag Holzhausen GmbH, p. 51-61 12 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  20. En ny-fortolkning af det moderne konveksitetsbegrebs opståen

    Kjeldsen, Tinne Hoff, 2006, Årsberetning, RUC, 2005.. Frederiksberg: Roskilde Universitetsforlag, p. 46-47 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  21. Sandsynlighedsregningens Historie

    Kjeldsen, Tinne Hoff, 1989, Teori og Redskab - Tillæg: Statistik og Sandsynlighed. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, p. 27-47

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education

  22. History in a Competence Based Mathematics Education: a Means for the Learning of Differential Equations

    Kjeldsen, Tinne Hoff, 2011, Recent developments on introducing a historical dimension in mathematics education. Katz, V. & Tzanakis, C. (eds.). Mathematical Association of America, p. 165-173

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  23. The growth of mathematical knowledge - introduction of convex bodies

    Kjeldsen, Tinne Hoff & Carter, J., 2012, In: Studies in History and Philosophy of Science Part A. 43, 2, p. 359-365

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Matematisk Billedbog

    Kjeldsen, Tinne Hoff & Tolnø, J., 1988, København: Københavns Universitet. 59 p.

    Research output: Book/Report › Book › Communication

  25. BASE - et grundkursus i matematisk modellering. 1. del og 2. del.

    Kjeldsen, Tinne Hoff, Blomhøj, M. & Ottesen, J. T., 2006, Roskilde Universitetscenter: Roskilde Universitet.

    Research output: Book/Report › Compendium/lecture notes › Education

  26. New Trends in the History and Philosophy of Mathematics

    Kjeldsen, Tinne Hoff (ed.), Pedersen, S. A. (ed.) & Sonne-Hansen, L. M. (ed.), 2004, Odense: Syddansk Universitetsforlag. 161 p.

    Research output: Book/Report › Anthology › Research

  27. Spilteori - et historisk essay

    Kjeldsen, Tinne Hoff, 1998, In: Netværk i Matematikkens Historie og Filosofi. Nyhedsbrev. 5, p. 2-9 8 p.

    Research output: Contribution to journal › Journal article › Research

  28. 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 › Research › peer-review

  29. New Avenues for History in Mathematics Education: Mathematical Competencies and Anchoring

    Kjeldsen, Tinne Hoff & Jankvist, U. T., 2011, In: Science & Education. 20, 9, p. 831-862

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Kvinder og matematik - Netværk og myter

    Kjeldsen, Tinne Hoff, 2001, In: Matilde. p. 2 1 p.

    Research output: Contribution to journal › Journal article › Research

  31. 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. 14-19

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Communication

  32. Students’ mathematical learning in modelling activities

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2013, International Perspectives on the Teaching and Learning of Mathematical Modelling. Stillman, G., Kaiser, G., Blum, W. & Brown, J. (eds.). New York: Springer Publishing Company, p. 141-151 11 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  33. 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. 79-95

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  34. The origin of nonlinear programming

    Kjeldsen, Tinne Hoff, 2000, Proceedings of the Canadian Society for History and Philosophy of mathematics: 25th annual meeting 1999. Tattersall, J. J. (ed.). Toronto, Ontario: University of Toronto Press, p. 219-237

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  35. BASE - et grundkursus i matematisk modellering II

    Kjeldsen, Tinne Hoff, Ottesen, J. T. & Blomhøj, M., 2005, Roskilde: Roskilde Universitet.

    Research output: Book/Report › Book › Education

  36. Uses of History in Mathematics Education: Development of Learning Strategies and Historical Awareness

    Kjeldsen, Tinne Hoff, 2011, CERME 7, Proceedings of the seventh Congress of the European Society for Research in Mathematics Education. Pytlak, M., Swoboda, E. & Rowland, T. (eds.). p. 1700-1709

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  37. 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 › Research › peer-review

  38. BASE - et grundkursus i matematisk modellering. 2. Del

    Kjeldsen, Tinne Hoff, Blomhøj, M. & Ottesen, J. T., 2004, Roskilde: Roskilde Universitet. 154 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  39. 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. 1-43

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  40. Integralregningens Historie

    Kjeldsen, Tinne Hoff, 1991, Teori og Redskab 6: Integralregning og differentialligninger. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, Vol. 6. p. 113-138

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education

  41. Mathematics in the Physical Sciences, 1650-2000:  Introduction

    Kjeldsen, Tinne Hoff, 2006, Oberwolfachreport. Zürich: European Mathematical Society Publishing House, Vol. Volume 2, Issue 4. p. 3175-3246 71 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  42. Two episodes in late 19th century research on convex bodies: Style and towards a discipline

    Kjeldsen, Tinne Hoff, 2010, In: Oberwolfach Reports. 7, 1, p. 581-665 3 p.

    Research output: Contribution to journal › Conference article › Research › peer-review

  43. Fenchels konjugerede konvekse funktioner og deres anvendelse i konveks programmering: Fenchels dualitetssætning

    Kjeldsen, Tinne Hoff, 2003, In: Matilde. 15, p. 14-17

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. BASE - et grundkursus i matematisk modellering I

    Kjeldsen, Tinne Hoff, Ottesen, J. T. & Blomhøj, M., 2005, Roskilde: Roskilde Universitet.

    Research output: Book/Report › Book › Education

  45. 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

  46. Anmeldelse af Matematiske Horisonter

    Kjeldsen, Tinne Hoff, 2010, In: MONA: Matematik og Naturfagsdidaktik. 2, p. 92-98 7 p.

    Research output: Contribution to journal › Literature review › Communication

  47. Asking and Answering Questions in and about the History of Mathematics: Part II: Mini course on History of Analysis. Kompendium

    Kjeldsen, Tinne Hoff (ed.) & Sørensen, H. K. (ed.), 2012, Aarhus Universitet. 238 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  48. 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. 36-45

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Students’ Reflections in Mathematical Modelling Projects

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2011, Trends in Teaching and Learning of Mathematical Modelling. Kaiser, G., Blum, W., Borromeo Ferri, R. & Stillman, G. (eds.). Springer, p. 385-396 12 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  50. En kontekstualiseret matematikhistorisk analyse af ikke-lineær programmering: udviklingshistorie og multipel opdagelse

    Kjeldsen, Tinne Hoff, 1999, Roskilde Universitet.

    Research output: Book/Report › Ph.D. thesis › Research

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