Tinne Hoff Kjeldsen

Tinne Hoff Kjeldsen

Professor, Deputy Head of Department, Professor

Member of:

  • Didactics of Mathematics

ORCID: 0000-0002-2426-1622

Publication year:
All
1 - 154 out of 154Page size: 500
  1. 1988

  2. Funktionsbegrebets udvikling

    Kjeldsen, Tinne Hoff, 1988, Teori og Redskab 2: Tal og funktioner. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, p. 179-184

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

  3. Matematisk Billedbog

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

    Research output: Book/Report › Book › Communication

  4. Momentproblemets udvikling fra Stieltjes til Marcel Riesz

    Kjeldsen, Tinne Hoff, 1988, København: Københavns Universitet. 127 p.

    Research output: Book/Report › Report › Research

  5. Talbegrebets oprindelse

    Kjeldsen, Tinne Hoff, 1988, Teori og Redskab 1: Tal og funktioner. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, Vol. 1. p. 9-21

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

  6. 1989

  7. Differentialregningens Historie

    Kjeldsen, Tinne Hoff, 1989, Teori og Redskab 3: Differentialregning. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, Vol. 3. p. 131-162 31 p.

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

  8. Geometriens Historie

    Kjeldsen, Tinne Hoff, 1989, Teori og Redskab 2: Geometri og specielle funktioner. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, Vol. 2. p. 9-25

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

  9. Ligningernes Historie

    Kjeldsen, Tinne Hoff, 1989, Teori og Redskab 2: Geometri og specielle funktioner. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, Vol. 2. p. 205-217

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

  10. 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

  11. Udviklingen af trigonometrien og logaritmefunktionerne

    Kjeldsen, Tinne Hoff, 1989, Teori og Redskab 2: Geometri og specielle funktioner. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, Vol. 2. p. 219-225

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

  12. 1990

  13. Udviklingen af Vektorregningen

    Kjeldsen, Tinne Hoff, 1990, Teori og Redskab 5: Vektorer. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, Vol. 5. p. 169-187

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

  14. 1991

  15. 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

  16. 1993

  17. The Early History of the Moment Problem

    Kjeldsen, Tinne Hoff, 1993, In: Historia Mathematica. 20, 1, p. 19-44

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

  18. 1997

  19. 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

  20. 1998

  21. 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

  22. 1999

  23. A History of the Minimax Theorem: a journey through different mathematical contexts

    Kjeldsen, Tinne Hoff, 1999, 9. Novembertagung zur Geschichte der Mathematik. Beckers, D., Peters, K. & Vollmers, C. (eds.). p. 32-38

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

  24. 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

  25. The Kuhn-Tucker theorem in nonlinear programming: a multiple discovery?

    Kjeldsen, Tinne Hoff, 1999, Roskilde Universitet.

    Research output: Book/Report › Book › Research

  26. 2000

  27. A contextualized historical analysis of the Kuhn-Tucker theorem in nonlinear programming: the impact of World War II

    Kjeldsen, Tinne Hoff, 2000, In: Historia Mathematica. 27, p. 331-361

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

  28. A history of the minimax theorem: von Neumann's conception of the minimax theorem. a journey through different mathematical contexts

    Kjeldsen, Tinne Hoff, 2000, Roskilde Universitet. 44 p.

    Research output: Book/Report › Report › Research

  29. BASE - note 1 og note 2

    Kjeldsen, Tinne Hoff, 2000, Roskilde: Roskilde Universitet.

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

  30. Kompendium - Seminar i matematikhistorie: geometri i matematikhistorisk belysning

    Kjeldsen, Tinne Hoff, 2000, Roskilde: Roskilde Universitet.

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

  31. The emergence of nonlinear programming: interactions between practical mathematics and mathematics proper

    Kjeldsen, Tinne Hoff, 2000, In: Mathematical Intelligencer. 22, 3, p. 50-54

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

  32. 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

  33. 2001

  34. BASE - note 1 og note 2: undervisningsmateriale til Natbas

    Blomhoej, M., Ottesen, J. T. & Kjeldsen, Tinne Hoff, 2001, Roskilde: Roskilde Universitet.

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

  35. John von Neumann's conception of the minimax theorem: a journey through different mathematical contexts

    Kjeldsen, Tinne Hoff, 2001, In: Archive for History of Exact Sciences. 56, p. 39-68

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

  36. Kvinder og matematik - Netværk og myter

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

    Research output: Contribution to journal › Journal article › Research

  37. Matematisk modellering ved den naturvidenskabelige basisuddannelse: udvikling af et kursus

    Blomhøj, M., Højgaard Jensen, T., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2001, Roskilde Universitet. 82 p.

    Research output: Book/Report › Report › Research

  38. Matilde: Kvinder og matematik

    Kjeldsen, Tinne Hoff, 2001

    Research output: Book/Report › Book › Research

  39. Women becoming mathematicians

    Kjeldsen, Tinne Hoff, 2001, In: Endeavour. 25, 2, p. 85-86

    Research output: Contribution to journal › Journal article › Research

  40. 2002

  41. Base note 1

    Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2002, Roskilde: Roskilde Universitet. 163 p.

    Research output: Book/Report › Book › Education

  42. Base note 2

    Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2002, Roskilde: Roskilde Universitet. 161 p.

    Research output: Book/Report › Book › Education

  43. Different motivations and goals in the historical development of the theory of systems of linear inequalities

    Kjeldsen, Tinne Hoff, 2002, In: Archive for History of Exact Sciences. 56, p. 469-438

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

  44. 2003

  45. BASE: et grundkursus i matematisk modellering. problemstillinger til miniprojekter

    Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2003, Roskilde: Roskilde Universitet. 181 p.

    Research output: Book/Report › Book › Education

  46. BASE: et grundkursus i matematisk modellering. 2. del

    Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2003, Roskilde: Roskilde Universitet. 150 p.

    Research output: Book/Report › Book › Education

  47. BASE: et grundkursus i matematisk modellering. 1. del

    Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2003, Roskilde: Roskilde Universitet. 181 p.

    Research output: Book/Report › Book › Education

  48. 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

  49. Matematik og matematikhistorie: et gensidigt forhold

    Kjeldsen, Tinne Hoff, 2003, In: Matilde. 15, p. 2

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

  50. New mathematical disciplines and research in the wake of World War II

    Kjeldsen, Tinne Hoff, 2003, Mathematics and war. Booss-Bavnbek, B. & Høyrup, J. (eds.). Basel / Boston / Berlin: Birkhäuser Verlag, p. 126-152

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

  51. Sidefagssupplering: matematisk modellering

    Andreasen, V., Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2003, Roskilde: Roskilde Universitet.

    Research output: Book/Report › Book › Education

  52. Sidefagssupplering, et grundkursus i matematisk modellering: del 1 og del 2

    Andreasen, V., Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2003, Roskilde Universitet. 337 p.

    Research output: Book/Report › Book › Research › peer-review

  53. 2004

  54. 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

  55. BASE - et grundkursus i matematisk modellering. 1. Del

    Kjeldsen, Tinne Hoff, Blomhøj, M. & Ottesen, J. T., 2004, Roskilde: Roskilde Universitet. 230 p.

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

  56. 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

  57. Ideer til problemorienterede projekter af historisk og filosofisk karakter: Problemorienteret projektarbejde i, om og med matematik i gymnasiet - et kursus for gymnasielærere

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2004, Roskilde: Roskilde Universitet. 79 p.

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

  58. Introduction

    Kjeldsen, Tinne Hoff & Pedersen, S. A., 2004, New Trends in the History and Philosophy of Mathematics. Kjeldsen, T. H., Pedersen, S. A. & Sonne-Hansen, L. M. (eds.). Odense: Syddansk Universitetsforlag, p. 11-28

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

  59. 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

  60. Sidefagssupplering, et grundkursus i matematisk modellering: del 1 og del 2

    Andreasen, V., Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2004, Roskilde: Roskilde Universitet. 337 p.

    Research output: Book/Report › Book › Education

  61. Sidefagssupplering: Matematisk Modellering

    Andreasen, V., Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2004, Roskilde Universitet. 337 p.

    Research output: Book/Report › Book › Research › peer-review

  62. 2005

  63. 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

  64. 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

  65. 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

  66. 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

  67. The Emergence of Nonlinear Programming: The Significance of OR

    Kjeldsen, Tinne Hoff, 2005.

    Research output: Contribution to conference › Conference abstract for conference › Research

  68. 2006

  69. 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

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

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

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

  71. 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

  72. 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

  73. 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 journal › Journal article › Research › peer-review

  74. The development of nonlinear programming in post war USA : origin, motivation, and expansion

    Kjeldsen, Tinne Hoff, 2006, The Way Through Science and Philosophy: Essays in Honour of Stig Andur Pedersen. Andersen, H. B., Christianssen, F. V., Jørgensen, K. F. & Hendricks, V. F. (eds.). London: College Publications, p. 31-50

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

  75. 2007

  76. 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

  77. 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 proceeding › Article in proceedings › Research › peer-review

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

    Kjeldsen, Tinne Hoff, 2007. 28 p.

    Research output: Contribution to conference › Paper › Research › peer-review

  79. 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 proceeding › Encyclopedia chapter › Research

  80. 2008

  81. 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 journal › Journal article › Communication

  82. 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 journal › Journal article › Research › peer-review

  83. 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 proceeding › Encyclopedia chapter › Research

  84. 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 journal › Conference article › Research › peer-review

  85. 2009

  86. 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 proceeding › Book chapter › Research

  87. 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 proceeding › Conference abstract in proceedings › Research

  88. 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 journal › Journal article › Research › peer-review

  89. 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 journal › Journal article › Research › peer-review

  90. 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

  91. 2010

  92. 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

  93. 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

  94. 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

  95. 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 proceeding › Book chapter › Research

  96. 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

  97. 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

  98. 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 proceeding › Article in proceedings › Research › peer-review

  99. 2011

  100. 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

  101. 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

  102. Hvad er matematik?

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

    Research output: Book/Report › Book › Communication

  103. 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

  104. Samspil mellem udvikling af praksis og matematikdidaktisk forskning – støtte til tilegnelse af integralbegrebet gennem modellering

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2011, Viden om lærere - lærerviden. Andresen, M. (ed.). København: Navimat, p. 112-146

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

  105. 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

  106. The significance of different scientific practises and cultures for the function and status of mathematical modelling in other sciences

    Kjeldsen, Tinne Hoff, 2011.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  107. 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

  108. 2012

  109. Asking and Answering Questions in and about the History of Mathematics: Part III: Mini course on History of Algebra. Kompendium

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

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

  110. Asking and Answering Questions in and about the History of Mathematics: Part I: Historiography of Mathematics. Kompendium

    Kjeldsen, Tinne Hoff (ed.) & Sørensen, H. K. (ed.), 2012, Aarhus Universitet. 121 p.

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

  111. 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

  112. Beyond Motivation - History as a method for the learning of meta-discursive rules in mathematics

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2012, In: Educational Studies in Mathematics. 80, 3, p. 327-349 19 p.

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

  113. 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

  114. History and the Learning of Mathematics: Detecting student's meta-discursive rules

    Kjeldsen, Tinne Hoff & Petersen, P. H., 2012, Proceedings of ICME 12: The 12th International Congress on Mathematical Education. 10 p.

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

  115. Published

    Matematik og naturfagene i Ny Nordisk Skole

    Horst, Sebastian, Dolin, Jens, Laursen, Kjeld Bagger, Andersen, H. M., Goldbech, O. & Kjeldsen, Tinne Hoff, 2012, In: MONA: Matematik og Naturfagsdidaktik. 4, p. 68-84 17 p.

    Research output: Contribution to journal › Journal article › Research

  116. Reflections on and benefits of uses of history in mathematics education exemplified by two types of student work in upper secondary school

    Kjeldsen, Tinne Hoff, 2012, Crossroads in the History of Mathematics and Mathematics Education. Sriraman, B. (ed.). Information Age Publishing, Vol. 12. p. 333-356 24 p.

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

  117. Report from the Ph.D. Summer Course “Asking and Answering Questions in and about History of Mathematics”: Objectives and Structure

    Kjeldsen, Tinne Hoff & Krag Sørensen, H., 2012, In: BSHM Bulletin - Journal of the British Society for the History of Mathematics. 28, 1, p. 59-63

    Research output: Contribution to journal › Journal article › Communication

  118. 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

  119. Uses of history for the laerning of and about mathematics: Towards a theoretical framework for integrating history of mathematics in mathematics education

    Kjeldsen, Tinne Hoff, 2012, Proceedings of the International Conference on History and Pedagogy of Mathematics. 22 p.

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

  120. 2013

  121. 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. 2157-2171

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

  122. Development and research in students' modelling projects for the teaching and learning of mathematics and modelling

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2013, In: Proceedings of the Fifth Conference on Research in Mathematics Education. 5, p. 1-19 1.

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

  123. From ‚mixed’ to ‚applied’ mathematics: Tracing an important dimension of mathematics and its history

    Kjeldsen, Tinne Hoff, Epple, M. & Siegmund-Schultze, R., 2013, In: Oberwolfach Reports. 10, 1, p. 657–733

    Research output: Contribution to journal › Conference article › Research

  124. 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

  125. 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

  126. The idea of mathematical models and modelling in 20th century

    Kjeldsen, Tinne Hoff, 2013, In: Oberwolfach Reports. 10, 1, p. 670-673 3 p.

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

  127. The use of Theory in Teachers' Modelling Projects – Experiences from an In-sevice Course

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2013, In: Proceedings of the Congress of the European Society for Research in Mathematics Education. 8, p. 990-999 10 p.

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

  128. 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 › Communication

  129. 2014

  130. 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

  131. 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. 29-45

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

  132. Brug af didaktisk teori i læreres udvikling af modelleringsprojekter i matematik

    Blomhøj, M. & Kjeldsen, Tinne Hoff, 2014, In: MONA - Matematik- og Naturfagsdidaktik. 2014, 2

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

  133. 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. 91-99

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

  134. 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 › Research › peer-review

  135. 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. 837-871

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

  136. Traces and Emergence of Nonlinear Programming

    Kjeldsen, Tinne Hoff (ed.) & Giorgi, G. (ed.), 2014, Basel: Birkhäuser Verlag.

    Research output: Book/Report › Anthology › Research › peer-review

  137. 2015

  138. 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

  139. 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

  140. 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

  141. 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

  142. 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

  143. 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

  144. 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 › Research › peer-review

  145. 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

  146. 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

  147. 2016
  148. 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. 453-464

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

  149. 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. 135-179

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

  150. 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. 2767-2769

    Research output: Contribution to journal › Conference article › Research

  151. 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

  152. 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

  153. 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. 205-207

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

  154. 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. 26-31

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

  155. 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. 445-446

    Research output: Contribution to journal › Literature review › Communication

  156. 2017
  157. 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

  158. 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 › Research

  159. Published

    Mini-workshop:VWomen in Mathematics: Historical and Modern Perspectives

    Kjeldsen, Tinne Hoff, Oswald, N. & Tobies, R., 2017, In: Oberwolfach Reports. 14, 1, p. 83-85

    Research output: Contribution to journal › Conference article › Research

  160. 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 › Research

  161. 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

  162. 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

  163. 2018
  164. 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

  165. 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

  166. 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

  167. 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. 11-29

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

  168. 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 › Research › peer-review

  169. 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

  170. 2019
  171. 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

  172. 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 › Research › peer-review

  173. 2020
  174. 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. 15-27

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

  175. 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 › Research › peer-review

  176. 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

  177. 2021

  178. 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

  179. 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 › Research › peer-review

  180. 2022
  181. 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

  182. 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. 1421-1433

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

  183. 2023
  184. 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

  185. 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

  186. 2024
  187. 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

ID: 40937860