Personal profile
Research and development areas
Matematiklæreruddannelse.
Matematikdidaktik.
Education/Academic qualification
Matematikkens didaktik, Ph.d., Roskilde University
Award Date: 17 Jun 2016
Didaktik mshp matematik, Cand.pæd, The Danish University of Education
Award Date: 30 Jun 2006
Keywords
- teacher education
Fingerprint
- 1 Similar Profiles
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Number Talks i 3. og 7. klasse
Jóelsdóttir, L. B., Østergaard, K. & Sunde, P. B., Mar 2026, In: Matematik. 54, 1, p. 34-37 4 p.Research output: Contribution to journal › Journal article › Communication
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PISA 2022: Delrapport matematik. Danske 15-åriges oplevelse af deres matematikundervisning – og deres motivation, selvsikkerhed, matematikangst og mindset
Jóelsdóttir, L. B. & Østergaard, K., 4 Dec 2024, VIVE - Det nationale Forsknings- og Analysecenter for Velfærd. 41 p.Research output: Book/Report/PhD thesis › Report › Communication
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PISA 2022 Matematik: Delrapport
Jóelsdóttir, L. B. & Østergaard, K., 5 Dec 2023, København: VIVE - Det nationale Forsknings- og Analysecenter for Velfærd. 59 p.Research output: Book/Report/PhD thesis › Report › Communication
Open Access -
Bridging a gap between theory and practice in mathematics teacher education
Jóelsdóttir, L. B., Errebo-Hansen, D., Westphael, H. & Østergaard, K., 31 May 2017. 2 p.Research output: Contribution to conference without a publisher/journal › Paper › Research › peer-review
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Matematiske formler og fagord: Til matematik i 7.-10. klasse og folkeskolens prøver i matematik
Østergaard, K., Kaas, T. & Fink, K., 10 Dec 2016Research output: Other contribution › Contribution to digital media
File404 Downloads (Pure)
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Design and evaluation of an intervention to improve adaptivity in multidigit arithmetic.
Jóelsdóttir, L. B. (CoPI), Sunde, P. B. (CoPI), Andrews, P. R. (Co-researcher) & Østergaard, K. (Co-researcher)
01/02/24 → 30/11/27
Project: Research
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PISA 2025
Ejdrup, T. (Principle researcher), Hansen, M. H. H. (Co-researcher), Østergaard, K. (Co-researcher), Jóelsdóttir, L. B. (Co-researcher) & Slåttvik, A. B. (Co-researcher)
22/03/23 → 31/12/26
Project: Other
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NCUM ( Nationalt center for udvikling af matematik-undervisning )
Østergaard, K. (Co-researcher), Skånstrøm, M. (Co-researcher), Sunde, P. B. (Co-researcher), Bjerre, M. (Co-researcher), Rasch-Christensen, A. (Co-researcher), Jóelsdóttir, L. B. (Co-researcher) & Pedersen, P. L. (Co-researcher)
30/04/19 → 31/12/28
Project: Other
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Tematisk Forum
Østergaard, K. (Co-researcher), Østergaard, K. (Co-researcher), Jankvist, U. T. (Principle researcher), Lindenskov, L. (Principle researcher), Andersen, M. W. (Principle researcher) & Beck Tonnesen, P. (Principle researcher)
01/05/15 → …
Project: Development project/ Innovation
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Press/Media
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Her er ekspertgruppen, der skal forbedre folkeskolens prøver
06/12/24
1 item of Media coverage
Press/Media: Press / Media
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Stigende matematikangst blandt danske skoleelever
Østergaard, K. & Jóelsdóttir, L. B.
04/12/24
1 item of Media coverage
Press/Media: Press / Media
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Danske børn har svært ved at regne den ud - sådan kan du som forælder hjælpe
05/12/23 → 06/12/23
2 items of Media coverage
Press/Media: Press / Media
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Ritzau Plus: Danske elever er blevet dårligere til matematik
08/12/20 → 09/12/20
11 items of Media coverage
Press/Media: Press / Media
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Developing adaptivity in grade 3 and 7. Results from a Danish pilot study.
Jóelsdóttir, L. B. (Introductory speaker), Sunde, P. B. (Introductory speaker), Østergaard, K. (Introductory speaker) & Skyt Nielsen, H. (Introductory speaker)
3 Feb 2026Activity: Talk or presentation types › Lecture or presentation
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Adaptivity and Flexibility in Mathematics Education
Jóelsdóttir, L. B. (Arranger), Sunde, P. B. (Arranger), Østergaard, K. (Paricipant) & Sortkær, B. (Paricipant)
2 Feb 2026 → 3 Feb 2026Activity: Participating in or organising an event types › Conference
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Advisory Board, Danviden
Østergaard, K. (Participant) & Østergaard, K. (Participant)
1 Jun 2015 → …Activity: Consultancy types › Other
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Læring, fag og institution
Østergaard, K. (Speaker) & Østergaard, K. (Speaker)
20 Nov 2014Activity: Talk or presentation types › Lecture or presentation
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Arbejdsgruppe til etablering af netværk for matematikvejledere i Danmark (External organisation)
Østergaard, K. (Member) & Østergaard, K. (Member)
2014 → 2015Activity: Membership types › Other activities