Tinne Hoff Kjeldsen

Tinne Hoff Kjeldsen

Professor, Deputy Head of Department, Professor

Member of:

  • Didactics of Mathematics


  1. 2010
  2. Anmeldelse af Matematiske Horisonter

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

    Research output: Contribution to journalLiterature reviewCommunication

  3. 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 proceedingArticle in proceedingsResearchpeer-review

  4. 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 proceedingArticle in proceedingsResearchpeer-review

  5. Learning mathematics through modelling - the case of the integral concept

    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. (eds.). Information Age Publishing, p. 569-582

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  6. 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 proceedingBook chapterResearch

  7. 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 journalConference articleResearchpeer-review

  8. Using History as a Means for the Learning of Mathematics without Losing Sight of History: The Case of Differential Equations

    Kjeldsen, Tinne Hoff, 2010, CERME 6, Proceedings of the sixth Congress of the European Society for Research in Mathematics Education. Durand-Guerrier, V., Soury-Lavergne, S. & Arzarello, F. (eds.). Institut National de Recherche Pedagogique, p. 2742-2751 10 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  9. 2009
  10. Abstraction and application: new contexts, new interpretations in twentieth-century mathematics

    Kjeldsen, Tinne Hoff, 2009, The Oxford Handbook of the History of Mathematics. Robson, E. & Stedall, J. (eds.). New York: Oxford University Press, p. 755-778 24 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  11. Analysing the functions of mathematical modelling in science as a basis for developing modelling competency in science education

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2009, ICTMA 14: Abstracts. p. 19 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  12. Egg-forms and Measure Bodies: Different Mathematical Practices in the Early History of the Development of the Modern Theory of Convexity

    Kjeldsen, Tinne Hoff, 2009, In: Science in Context. 22, 1, p. 85-113 24 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Integrating history and philosophy in mathematics education at university level through problem-oriented project work

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2009, In: ZDM - International Journal on Mathematics Education. 41, 1-2, p. 87-103

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. 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 journalJournal articleResearchpeer-review

  15. 2008
  16. BASE - et kursus i matematisk modellering på den naturvidenskabelige basisuddannelse ved RUC

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2008, In: Matilde. 34, p. 35-39

    Research output: Contribution to journalJournal articleCommunication

  17. From measuring tool to geometrical object: Minkowski's development of the concept of convex bodies

    Kjeldsen, Tinne Hoff, 2008, In: Archive for History of Exact Sciences. 62, 1, p. 59-89 31 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Operations Research and Mathematical Programming: From War to Academia - A Joint Venture

    Kjeldsen, Tinne Hoff, 2008, History of Mathematics in Encyclopedia of Life Support Systems (EOLSS). Lundsgaard Hansen, V. & Gray, J. (eds.). Oxford ,UK, [http://www.eolss.net]: Eolss Publishers, 20 p.

    Research output: Chapter in Book/Report/Conference proceedingEncyclopedia chapterResearch

  19. The emergence of the concept of a convex body in the work of Herman Minkowski

    Kjeldsen, Tinne Hoff, 2008, In: Oberwolfach Reports. 2, p. 1340-1342 3 p.

    Research output: Contribution to journalConference articleResearchpeer-review

  20. 2007
  21. 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 proceedingArticle in proceedingsResearchpeer-review

  22. Meta aspects of science in problem based project work - experiences from Roskilde University

    Kjeldsen, Tinne Hoff, 2007, Proceeding for the Ninth International History, Philosophy & Science Teaching Conference. the International History, Philosophy, and Science Teaching Group, 7 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  23. The Significance of Modelling in Economics for the Development of Mathematics

    Kjeldsen, Tinne Hoff, 2007. 28 p.

    Research output: Contribution to conferencePaperResearchpeer-review

  24. Tucker, Albert William

    Kjeldsen, Tinne Hoff, 2007, New Dictionary of Scientific Biography. Koertge, N. (ed.). Detroit: Charles Scribner’s Sons, Vol. 7.

    Research output: Chapter in Book/Report/Conference proceedingEncyclopedia chapterResearch

  25. 2006
  26. 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/ReportCompendium/lecture notesEducation

  27. BASE - et grundkursus i matematisk modellering. Problemstillinger til miniprojekter

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

    Research output: Book/ReportCompendium/lecture notesEducation

  28. 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 proceedingBook chapterResearch

  29. 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 proceedingBook chapterResearch

  30. Teaching mathematical modelling through project work: Experinces from an in-service course for upper secondary teachers

    Blomhøj, M. & Kjeldsen, Tinne Hoff, 2006, In: ZDM - Zentralblatt für Didaktik der Mathematik. 38, 2, p. 163-177 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 40937860