Heidi Strømskag
+4773591743
+4798441839
Sentralbygg 2, 938, Gløshaugen, Alfred Getz' vei 1
About
Heidi Strømskag is a professor at the Department of Mathematical Sciences. She holds a cand.scient. degree in mathematics from NTNU and a PhD in mathematics education from the University of Agder. Strømskag is a member of the 'Analysis and Didactics' scientific unit. Her current research focuses on mathematical modelling and teaching and learning of algebra, embedded in the anthropological theory of the didactic.
Research and Development Projects
- EDUParadigms – Paradigms in the Teaching of Mathematics and Other Disciplines (2022–2026).
- CiviMatics – Interdisciplinary Mathematical Modelling Meets Civic Education (2020–2023).
- LaUDiM – Language Use and Development in the Mathematics Classroom (2014–2018).
Institutional Roles
- Norway's Representative to ICMI – International Commission on Mathematical Instruction.
- Member of the Scientific Committee of INDRUM – International Network for Didactic Research in University Mathematics.
- Member of the research group of the ATD – The Anthropological Theory of the Didactic
- Member of N2AL – Nordic Network for Algebra Learning.
- Expert Evaluator for the Spanish Research Agency (Agencia Estatal de Investigación).
- Member of the Editorial Board of Recherches en Didactique des Mathématiques.
- Member of ERME – European Society for Research in Mathematics Education.
- Member of the International Programme Committee for INDRUM 2024.
- Member of the Teaching Committee of the Norwegian Mathematics Council (2016–2022).
- NTNU's representative to the Norwegian Mathematics Council.
Publications
2025
-
Chevallard, Yves;
Strømskag, Heidi.
(2025)
The concept of study and research inquiry: A foundational approach.
International Network for Didactic Research in University Mathematics : INDRUM
Academic article
-
Puchaczewski, Elsa Noemie Roxane;
Bosch, Marianna;
Strømskag, Heidi.
(2025)
The university perspective on modelling: An exploratory study.
International Network for Didactic Research in University Mathematics : INDRUM
Academic article
2024
-
Strømskag, Heidi.
(2024)
Complementary dimensions of the Theory of Didactic Situations in Mathematics and the Theory of Social Interactionism: Synthesizing the Topaze effect and the funnel pattern.
Journal of Mathematical Behavior
Academic article
-
Strømskag, Heidi;
Chevallard, Yves.
(2024)
Didactic transposition and the knowledge to be taught: Towards an archeorganisation for concave/convex functions.
International Journal of Mathematical Education in Science and Technology
Academic article
-
Strømskag, Heidi.
(2024)
Study and research paths on differential calculus in teacher education.
Birkhäuser Verlag
Academic chapter/article/Conference paper
-
Topphol, Vegard;
Strømskag, Heidi.
(2024)
Analysis of a university student's construction of a praxeology for integration tasks.
Caminhos da Educação Matemática
Academic article
2023
-
Topphol, Vegard;
Strømskag, Heidi;
Rønning, Frode.
(2023)
Conditions and constraints governing university students' engagement with integral calculus and mathematical modelling: an exploratory inquiry.
Norwegian University of Science and Technology
Doctoral dissertation
-
Strømskag, Heidi;
Chevallard, Yves.
(2023)
Didactic transposition of concavity of functions: From scholarly knowledge to mathematical knowledge to be taught in school .
International Network for Didactic Research in University Mathematics : INDRUM
Academic article
-
Hausberger, Thomas;
Strømskag, Heidi.
(2023)
TWG1: Transitions to, across and from university mathematics.
International Network for Didactic Research in University Mathematics : INDRUM
Academic article
-
Vajen, Bastian;
Strømskag, Heidi;
Gildehaus, Lara.
(2023)
Introduction to CiviMatics.
Academic chapter/article/Conference paper
-
Vajen, Bastian;
Strømskag, Heidi.
(2023)
CiviMatics: Interdisciplinary mathematical modelling meets civic education.
The CiviMatics Consortium
Academic anthology/Conference proceedings
-
Strømskag, Heidi.
(2023)
Mathematical Modelling Using Study and Research Paths.
Academic chapter/article/Conference paper
2022
-
Strømskag, Heidi;
Chevallard, Yves.
(2022)
Breaches of the didactic contract as a driving force behind learning and non-learning: a story of flaws and wants.
Teaching Mathematics and its Applications
Academic article
-
Chevallard, Yves;
Strømskag, Heidi.
(2022)
Conditions for a transition to a paradigm of questioning the world.
CRV
Academic chapter/article/Conference paper
-
Fleischmann, Yael;
Rønning, Frode;
Strømskag, Heidi.
(2022)
Modelling climate change through Study and Research Paths.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Strømskag, Heidi;
Chevallard, Yves.
(2022)
Elementary algebra as a modelling tool: A plea for a new curriculum .
Recherches en didactique des mathématiques
Academic article
-
Strømskag, Heidi;
Chevallard, Yves.
(2022)
Conditions for revitalizing the elementary algebra curriculum.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
2021
-
Strømskag, Heidi.
(2021)
Prospective Teachers Solving a Percentage Problem: An Analysis of the Construction of a Praxeology.
Birkhäuser Verlag
Academic chapter/article/Conference paper
-
Grenier-Boley, Nicolas;
Nicolás, Pedro;
Strømskag, Heidi;
Tabchi, Theresia.
(2021)
Mathematics teaching practices at university level.
Routledge
Academic chapter/article/Conference paper
-
Strømskag, Heidi;
Chevallard, Yves.
(2021)
De la TSD à la TAD. Un témoignage.
Caminhos da Educação Matemática
Academic article
-
Strømskag, Heidi.
(2021)
Betydningen av en matematikkeksamen på fagets premisser.
Dag og Tid
Reader opinion piece
2020
-
Strømskag, Heidi.
(2020)
Shunning algebraic formalism: Student teachers and the intricacy of percents.
Recherches en didactique des mathématiques
Academic article
-
Abboud, Maha;
Coles, Alf;
Chesnais, Aurélie;
Horoks, Julie;
Jaworski, Barbara;
Mangiante-Orsola, Christine.
(2020)
Quand des didacticiens de mathématiques français discutent des théories avec des chercheurs britanniques et européens.
Academic chapter/article/Conference paper
-
Strømskag, Heidi.
(2020)
Didaktisk ingeniørvirksomhet i matematikk: Multiplikasjon som modell for situasjoner på 3. trinn.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Strømskag, Heidi.
(2020)
Teorien for didaktiske situasjoner i matematikk: Et systemisk rammeverk for å utvikle og studere matematikkundervisning.
Fagbokforlaget
Academic chapter/article/Conference paper
2019
-
Rønning, Frode;
Strømskag, Heidi.
(2019)
Sense and reference of signifiers for elements of polygons .
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Chimoni, Maria;
Oldenburg, Reinhard;
Strømskag, Heidi;
Cooper, Jason.
(2019)
Introducing CERME’s Thematic Working Group 3: Algebraic thinking.
EMS Newsletter
Academic literature review
-
Chimoni, Maria;
Hewitt, Dave;
Oldenburg, Reinhard;
Strømskag, Heidi.
(2019)
Algebraic thinking.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Kilhamn, Cecilia;
Strømskag, Heidi;
Hästö, Peter;
Liljekvist, Yvonne;
Häggström, Johan.
(2019)
Editorial.
Nordisk matematikkdidaktikk
Academic literature review
2018
-
Strømskag, Heidi.
(2018)
A model for instructional design in mathematics implemented in teacher education.
International Network for Didactic Research in University Mathematics : INDRUM
Academic article
-
Mangiante-Orsola, Christine;
Perrin-Glorian, Marie-Jeanne;
Strømskag, Heidi.
(2018)
Theory of didactical situations as a tool to understand and develop mathematics teaching practices .
Annales de Didactique et de Sciences Cognitives
Academic article
-
Hodgen, Jeremy;
Oldenburg, Reinhard;
Strømskag, Heidi.
(2018)
Algebraic thinking.
Routledge
Academic chapter/article/Conference paper
2017
-
Rønning, Frode;
Strømskag, Heidi.
(2017)
Entering the mathematical register through evolution of the material milieu for classification of polygons.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Strømskag, Heidi;
Valenta, Anita.
(2017)
Constraints to a justification of commutativity of multiplication.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Strømskag, Heidi.
(2017)
Et miljø for algebraisk generalisering og dets innvirkning på studenters matematiske aktivitet.
Nordisk matematikkdidaktikk
Academic article
-
Strømskag, Heidi;
Jaworski, Barbara.
(2017)
Modelling situations involving equal-sized groups.
Academic chapter/article/Conference paper
-
Strømskag, Heidi.
(2017)
A methodology for instructional design in mathematics—with the generic and epistemic student at the centre.
ZDM: Mathematics Education
Academic article
-
Hewitt, Dave;
Oldenburg, Reinhard;
Postelnicu, Valentina;
Strømskag, Heidi.
(2017)
Introduction to the papers of TWG03: Algebraic thinking.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Banerjee, Rakhi;
Strømskag, Heidi.
(2017)
Topic Study Group No. 11: Teaching and Learning of Algebra.
Springer Publishing Company
Academic chapter/article/Conference paper
2015
-
Ainley, Janet;
Margolinas, Claire;
Barquero, Berta;
Bikner-Ahsbahs, Angelika;
Calleja, James;
Clarke, David.
(2015)
Accounting for student perspectives in task design.
Springer Science+Business Media B.V.
Academic chapter/article/Conference paper
-
Strømskag, Heidi.
(2015)
Students' mathematical activity constrained by the milieu: A case of algebra.
Suomen ainedidaktinen tutkimusseura
Academic article
-
Strømskag, Heidi.
(2015)
A pattern-based approach to elementary algebra.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Hodgen, Jeremy;
Oldenburg, Reinhard;
Postelnicu, Valentina;
Strømskag, Heidi.
(2015)
Introduction to the papers of TWG03: Algebraic thinking.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
2011
-
Måsøval, Heidi Strømskag.
(2011)
Factors constraining students' establishment of algebraic generality in shape patterns: A case study of didactical situations in mathematics at a university college.
Doctoral dissertations at University of Agder (38)
Doctoral dissertation
Journal publications
-
Chevallard, Yves;
Strømskag, Heidi.
(2025)
The concept of study and research inquiry: A foundational approach.
International Network for Didactic Research in University Mathematics : INDRUM
Academic article
-
Puchaczewski, Elsa Noemie Roxane;
Bosch, Marianna;
Strømskag, Heidi.
(2025)
The university perspective on modelling: An exploratory study.
International Network for Didactic Research in University Mathematics : INDRUM
Academic article
-
Strømskag, Heidi.
(2024)
Complementary dimensions of the Theory of Didactic Situations in Mathematics and the Theory of Social Interactionism: Synthesizing the Topaze effect and the funnel pattern.
Journal of Mathematical Behavior
Academic article
-
Strømskag, Heidi;
Chevallard, Yves.
(2024)
Didactic transposition and the knowledge to be taught: Towards an archeorganisation for concave/convex functions.
International Journal of Mathematical Education in Science and Technology
Academic article
-
Topphol, Vegard;
Strømskag, Heidi.
(2024)
Analysis of a university student's construction of a praxeology for integration tasks.
Caminhos da Educação Matemática
Academic article
-
Strømskag, Heidi;
Chevallard, Yves.
(2023)
Didactic transposition of concavity of functions: From scholarly knowledge to mathematical knowledge to be taught in school .
International Network for Didactic Research in University Mathematics : INDRUM
Academic article
-
Hausberger, Thomas;
Strømskag, Heidi.
(2023)
TWG1: Transitions to, across and from university mathematics.
International Network for Didactic Research in University Mathematics : INDRUM
Academic article
-
Strømskag, Heidi;
Chevallard, Yves.
(2022)
Breaches of the didactic contract as a driving force behind learning and non-learning: a story of flaws and wants.
Teaching Mathematics and its Applications
Academic article
-
Strømskag, Heidi;
Chevallard, Yves.
(2022)
Elementary algebra as a modelling tool: A plea for a new curriculum .
Recherches en didactique des mathématiques
Academic article
-
Strømskag, Heidi;
Chevallard, Yves.
(2021)
De la TSD à la TAD. Un témoignage.
Caminhos da Educação Matemática
Academic article
-
Strømskag, Heidi.
(2021)
Betydningen av en matematikkeksamen på fagets premisser.
Dag og Tid
Reader opinion piece
-
Strømskag, Heidi.
(2020)
Shunning algebraic formalism: Student teachers and the intricacy of percents.
Recherches en didactique des mathématiques
Academic article
-
Chimoni, Maria;
Oldenburg, Reinhard;
Strømskag, Heidi;
Cooper, Jason.
(2019)
Introducing CERME’s Thematic Working Group 3: Algebraic thinking.
EMS Newsletter
Academic literature review
-
Kilhamn, Cecilia;
Strømskag, Heidi;
Hästö, Peter;
Liljekvist, Yvonne;
Häggström, Johan.
(2019)
Editorial.
Nordisk matematikkdidaktikk
Academic literature review
-
Strømskag, Heidi.
(2018)
A model for instructional design in mathematics implemented in teacher education.
International Network for Didactic Research in University Mathematics : INDRUM
Academic article
-
Mangiante-Orsola, Christine;
Perrin-Glorian, Marie-Jeanne;
Strømskag, Heidi.
(2018)
Theory of didactical situations as a tool to understand and develop mathematics teaching practices .
Annales de Didactique et de Sciences Cognitives
Academic article
-
Strømskag, Heidi.
(2017)
Et miljø for algebraisk generalisering og dets innvirkning på studenters matematiske aktivitet.
Nordisk matematikkdidaktikk
Academic article
-
Strømskag, Heidi.
(2017)
A methodology for instructional design in mathematics—with the generic and epistemic student at the centre.
ZDM: Mathematics Education
Academic article
-
Strømskag, Heidi.
(2015)
Students' mathematical activity constrained by the milieu: A case of algebra.
Suomen ainedidaktinen tutkimusseura
Academic article
Books
-
Vajen, Bastian;
Strømskag, Heidi.
(2023)
CiviMatics: Interdisciplinary mathematical modelling meets civic education.
The CiviMatics Consortium
Academic anthology/Conference proceedings
Part of book/report
-
Strømskag, Heidi.
(2024)
Study and research paths on differential calculus in teacher education.
Birkhäuser Verlag
Academic chapter/article/Conference paper
-
Vajen, Bastian;
Strømskag, Heidi;
Gildehaus, Lara.
(2023)
Introduction to CiviMatics.
Academic chapter/article/Conference paper
-
Strømskag, Heidi.
(2023)
Mathematical Modelling Using Study and Research Paths.
Academic chapter/article/Conference paper
-
Chevallard, Yves;
Strømskag, Heidi.
(2022)
Conditions for a transition to a paradigm of questioning the world.
CRV
Academic chapter/article/Conference paper
-
Fleischmann, Yael;
Rønning, Frode;
Strømskag, Heidi.
(2022)
Modelling climate change through Study and Research Paths.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Strømskag, Heidi;
Chevallard, Yves.
(2022)
Conditions for revitalizing the elementary algebra curriculum.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Strømskag, Heidi.
(2021)
Prospective Teachers Solving a Percentage Problem: An Analysis of the Construction of a Praxeology.
Birkhäuser Verlag
Academic chapter/article/Conference paper
-
Grenier-Boley, Nicolas;
Nicolás, Pedro;
Strømskag, Heidi;
Tabchi, Theresia.
(2021)
Mathematics teaching practices at university level.
Routledge
Academic chapter/article/Conference paper
-
Abboud, Maha;
Coles, Alf;
Chesnais, Aurélie;
Horoks, Julie;
Jaworski, Barbara;
Mangiante-Orsola, Christine.
(2020)
Quand des didacticiens de mathématiques français discutent des théories avec des chercheurs britanniques et européens.
Academic chapter/article/Conference paper
-
Strømskag, Heidi.
(2020)
Didaktisk ingeniørvirksomhet i matematikk: Multiplikasjon som modell for situasjoner på 3. trinn.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Strømskag, Heidi.
(2020)
Teorien for didaktiske situasjoner i matematikk: Et systemisk rammeverk for å utvikle og studere matematikkundervisning.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Rønning, Frode;
Strømskag, Heidi.
(2019)
Sense and reference of signifiers for elements of polygons .
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Chimoni, Maria;
Hewitt, Dave;
Oldenburg, Reinhard;
Strømskag, Heidi.
(2019)
Algebraic thinking.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Hodgen, Jeremy;
Oldenburg, Reinhard;
Strømskag, Heidi.
(2018)
Algebraic thinking.
Routledge
Academic chapter/article/Conference paper
-
Rønning, Frode;
Strømskag, Heidi.
(2017)
Entering the mathematical register through evolution of the material milieu for classification of polygons.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Strømskag, Heidi;
Valenta, Anita.
(2017)
Constraints to a justification of commutativity of multiplication.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Strømskag, Heidi;
Jaworski, Barbara.
(2017)
Modelling situations involving equal-sized groups.
Academic chapter/article/Conference paper
-
Hewitt, Dave;
Oldenburg, Reinhard;
Postelnicu, Valentina;
Strømskag, Heidi.
(2017)
Introduction to the papers of TWG03: Algebraic thinking.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Banerjee, Rakhi;
Strømskag, Heidi.
(2017)
Topic Study Group No. 11: Teaching and Learning of Algebra.
Springer Publishing Company
Academic chapter/article/Conference paper
-
Ainley, Janet;
Margolinas, Claire;
Barquero, Berta;
Bikner-Ahsbahs, Angelika;
Calleja, James;
Clarke, David.
(2015)
Accounting for student perspectives in task design.
Springer Science+Business Media B.V.
Academic chapter/article/Conference paper
-
Strømskag, Heidi.
(2015)
A pattern-based approach to elementary algebra.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
-
Hodgen, Jeremy;
Oldenburg, Reinhard;
Postelnicu, Valentina;
Strømskag, Heidi.
(2015)
Introduction to the papers of TWG03: Algebraic thinking.
European Society for Research in Mathematics Education
Academic chapter/article/Conference paper
Report
-
Topphol, Vegard;
Strømskag, Heidi;
Rønning, Frode.
(2023)
Conditions and constraints governing university students' engagement with integral calculus and mathematical modelling: an exploratory inquiry.
Norwegian University of Science and Technology
Doctoral dissertation
-
Måsøval, Heidi Strømskag.
(2011)
Factors constraining students' establishment of algebraic generality in shape patterns: A case study of didactical situations in mathematics at a university college.
Doctoral dissertations at University of Agder (38)
Doctoral dissertation
Teaching
Courses
Outreach
2024
-
Academic lectureRadmehr, Farzad; Strømskag, Heidi. (2024) Modelling real-world scenarios: The role of variables and parameters in multivariable functions. Universitetet i Agder Nordic Network for Algebra Learning , Kristiansand 2024-10-03 - 2024-10-04
-
Academic lectureStrømskag, Heidi. (2024) An interdisciplinary inquiry in teacher education for Grades 8–13: Mathematical models of carbon capture and storage . Universitat de Barcelona ATD seminar , Barcelona 2024-03-11 - 2024-03-11
-
Academic lectureChevallard, Yves; Strømskag, Heidi. (2024) The concept of study and research inquiry: A foundational approach. INDRUM 5th Conference of the International Network for Didactic Research in University Mathematics , Barcelona 2024-06-10 - 2024-06-14
-
Academic lecturePuchaczewski, Elsa Noemie Roxane; Bosch, Marianna; Strømskag, Heidi. (2024) The university perspective on mathematical modelling: An exploratory study. INDRUM 5th Conference of the International Network for Didactic Research in University Mathematics , Barcelona 2024-06-10 - 2024-06-14
2023
-
Academic lectureStrømskag, Heidi. (2023) Undervisning og forskning i lærerutdanning med verktøy fra ATD. Nord Universitet Seminar i matematikkdidaktikk , Saltstraumen 2023-11-29 - 2023-11-30
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Academic lectureStrømskag, Heidi. (2023) Some ATD tools to study mathematics teaching practices and related curricular resources. Institutt for lærerutdanning, NTNU Gjesteforelesning , Trondheim 2023-09-08 - 2023-09-08
-
Academic lectureStrømskag, Heidi. (2023) Matematisk modellering i et nytt didaktisk paradigme . Nord Universitet Gjesteforelesning , Levanger 2023-05-12 - 2023-05-12
-
Academic lectureStrømskag, Heidi. (2023) The role of algebra in the modelling of real-world systems. Stockholms universitet Nordic Network for Algebra Learning , Stockholm 2023-09-20 - 2023-09-21
2022
-
Academic lectureStrømskag, Heidi; Chevallard, Yves. (2022) Conditions for revitalizing the elementary algebra curriculum. European Society for Research in Mathematics Education 12th Congress of the European Society for Research in Mathematics Education , Digtial 2022-02-02 - 2022-02-05
-
Academic lectureStrømskag, Heidi. (2022) Breaches of the didactic contract as a driving force behind learning and nonlearning. A story of flaws in the proof of a famous theorem. Institutt for lærerutdanning, NTNU Symposium , Trondheim 2022-03-28 - 2022-03-29
-
PosterFleischmann, Yael; Rønning, Frode; Strømskag, Heidi. (2022) Modelling climate change – the CiviMatics project’s approach to connect mathematics education and political education. 12th Congress of the European Society for Research in Mathematics Education (CERME12) 2022-02-02 - 2022-02-06
-
Academic lectureStrømskag, Heidi. (2022) Interdisciplinary study and research paths on climate change in a teacher education programme in mathematics and natural sciences (Grade 8–13). Universitetet i Agder KLæM 22 , Kristiansand 2022-09-19 - 2022-09-21
-
Academic lectureStrømskag, Heidi. (2022) Algebra as a modelling tool in student teachers’ investigations of the natural and social world . Karlstads universitet Nordic Network for Algebra Learning , Karlstad 2022-12-05 - 2022-12-06
-
Academic lectureStrømskag, Heidi; Chevallard, Yves. (2022) Didactic transposition of concavity of functions. INDRUM 4th Conference of the International Network for Didactic Research in University Mathematics , Hannover 2022-10-19 - 2022-10-22
-
Academic lectureStrømskag, Heidi. (2022) Study and research paths in teacher education. Institut for Naturfagenes Didaktik Seminar ved Københavns Universitet , Digital 2022-05-27 - 2022-05-27
-
Academic lectureStrømskag, Heidi. (2022) SRPs in teacher education: Naturalization of knowledge as an obstacle to questioning the knowledge to be taught. Centre de Recerca Matemàtica 7th International Conference on the ATD , Barcelona 2022-06-19 - 2022-06-23
2021
-
Academic lectureFleischmann, Yael; Rønning, Frode; Strømskag, Heidi. (2021) Modelling of climate change in the CiviMatics project . Gesellschaft für Didaktik der Mathematik Herbsttagung des GDM-Arbeitskreises 'Mathematik und Bildung' , Digital 2021-10-22 - 2021-10-22
2019
-
Academic lectureMangiante-Orsola, Christine; Perrin-Glorian, Marie-Jeanne; Strømskag, Heidi. (2019) La théorie des situations didactiques comme outil pour comprendre et développer les pratiques professionnelles des enseignants en mathématiques. L'Assoc. pour la recherche en didactique des mathématique Séminaire de didactique des mathématiques de l’ARDM , Paris 2019-03-28 - 2019-03-29
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Academic lectureRønning, Frode; Strømskag, Heidi. (2019) Sense and reference of signifiers for elements of polygons. Freudenthal Group, Utrecht University & ERME Eleventh Congress of the European Society for Research in Mathematics Education (CERME 11) , Utrecht 2019-02-06 - 2019-02-10
-
Academic lectureStrømskag, Heidi. (2019) Prospective teachers inquiring into an involved problem of percents: An analysis of conditions and constraints using ATD tools . Centre de Recerca Matemàtica IRP Advances in the Anthropological Theory of the Didactic and their consequences in curricula and in teacher education , Barcelona 2019-06-17 - 2019-06-28
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LectureStrømskag, Heidi. (2019) Overgang fra matematikk i skolen til matematikk i høyere utdanning. Årsmøte i Norsk Matematikkråd , Stavanger 2019-09-18 - 2019-09-20
2018
-
Academic lectureStrømskag, Heidi. (2018) Tensions between the mathematical knowledge at stake and the situational models used to illustrate the knowledge: A case from a Norwegian 3rd grade classroom. Universitat de Barcelona Seminar , Barcelona 2018-12-13 -
-
Academic lectureStrømskag, Heidi. (2018) Didactical design for the mathematics classroom. LaUDiM Language Use and Development in the Mathematics Classroom , Trondheim 2018-11-28 - 2018-11-29
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Academic lectureStrømskag, Heidi. (2018) A model for instructional design in mathematics implemented in teacher education. University of Agder INDRUM 2018 Second Conference of the International Network for Didactic Research in University Mathematics , Kristiansand 2018-04-05 - 2018-04-07
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Popular scientific lectureStrømskag, Heidi. (2018) Why do some people have problems comprehending mathematics?. Forum for matematiske perler , Institutt for matematiske fag, NTNU 2018-09-07 - 2018-09-07
2017
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Academic lectureRønning, Frode; Strømskag, Heidi. (2017) Entering the mathematical register through evolution of the material milieu for classification of polygons. Tenth Congress of the European Society for Research in Mathematics Education (CERME 10) , Dublin 2017-02-01 - 2017-02-05
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Academic lectureStrømskag, Heidi; Jaworski, Barbara. (2017) Modelling situations involving equal-sized groups. Nanyang Technological University PME 41 , Singapore 2017-07-17 - 2017-07-22
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Academic lectureStrømskag, Heidi. (2017) Combining the theory of didactical situations and semiotic theory in an investigation of students’ enterprise of representing a relationship in algebraic notation. Mathematics Education Centre MEC Symposium. Algebra: Gateway to mathematics, science, society and the world , Loughborough University 2017-05-24 - 2017-05-25
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Academic lectureStrømskag, Heidi. (2017) A methodology for instructional design in mathematics. Stockholm University, NORME Eighth Nordic Conference on Mathematics Education , Stockholm 2017-05-30 - 2017-06-02
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Academic lectureStrømskag, Heidi; Valenta, Anita. (2017) Justification of commutativity of multiplication at Grade 6. European Society for Research in Mathematics Education Tenth Congress of the European Society for Research in Mathematics Education (CERME 10) , Dublin 2017-02-01 - 2017-02-05
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Academic lectureStrømskag, Heidi. (2017) Instructional design in mathematics – An epistemological model for a particular piece of mathematical knowledge. Institutt for lærerutdanning, NTNU Seminar , Trondheim 2017-11-17 - 2017-11-17
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Academic lectureMangiante-Orsola, Christine; Perrin-Glorian, Marie-Jeanne; Strømskag, Heidi. (2017) Theory of didactical situations as a tool to understand and develop mathematics teachers' practices. Laboratoire de Didactique André Revuz Symposium Frengly 3 , Université Paris-Diderot 2017-11-16 - 2017-11-18
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Academic lectureStrømskag, Heidi. (2017) A methodology for instructional design in mathematics. Universität Augsburg, Institut für Mathematik Oberseminar Didaktik der Mathematik , Augsburg 2017-07-10 -
2016
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Academic lectureMangiante, Christine; Perrin-Glorian, Marie-Jeanne; Strømskag, Heidi. (2016) Using TDS to understand and develop mathematics teaching in primary classrooms in France and Norway. Laboratoire de Didactique André Revuz Symposium Frengly 2 , Université Paris-Diderot 2016-07-06 - 2016-07-08
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Academic lectureStrømskag, Heidi. (2016) Interaction in the mathematics classroom - from the perspective of two different theories. Loughborough University Mathematics Education Centre Seminar , Loughborough 2016-03-17 -
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Academic lectureStrømskag, Heidi. (2016) Designing didactical situations for the elementary classroom: Conditions that enable or hinder mathematics learning . The LaUDiM project Advisory Board meeting for the LaUDiM project , Faculty of Teacher and Interpreter Education, NTNU 2016-06-16 - 2016-06-17
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Academic lectureStrømskag, Heidi. (2016) Evolution of the milieu for a particular piece of mathematical knowledge . Gesellschaft für Didaktik der Mathematik - GDM The Thirteenth International Congress on Mathematical Education , Hamburg 2016-07-24 - 2016-07-31
2015
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Academic lectureStrømskag, Heidi. (2015) Comparing and contrasting two theoretical approaches to social interaction in the mathematics classroom - The theory of didactical situations and the theory of social interactionism. University of Gothenburg Seminar, University of Gothenburg 2015-12-16 -
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Academic lectureStrømskag, Heidi. (2015) Transformation between different registers of semiotic representation of a mathematical object: A challenging task. European Conference on Educational Research (ECER 2015) Symposium “The Role of Mathematical Tasks in Promoting Domain-Specific and Domain-Transcendent Mathematical Reasoning" , Corvinus University of Budapest 2015-09-07 - 2015-09-11
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Academic lectureStrømskag, Heidi. (2015) Fra faktorer som hindrer algebraiske generaliseringsprosesser til design av epistemologiske modeller . Institutt for matematiske fag Seminar ved Institutt for matematiske fag , NTNU 2015-04-09 - 2015-04-09
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LectureStrømskag, Heidi. (2015) Flislegging for å finne en sammenheng mellom to typer tall. Norsk senter for matematikk i opplæringen Novemberkonferansen , Trondheim 2015-11-24 - 2016-11-25
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Academic lectureStrømskag, Heidi. (2015) A pattern-based approach to elementary algebra. Charles University 9th Congress of the European Society for Research in Mathematics Education , Praha 2015-02-04 - 2015-02-08
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Academic lectureStrømskag, Heidi. (2015) TDS: Teorien for didaktiske situasjoner i matematikk – en modell og et analyseverktøy. Høgskolen i Sør-Trøndelag Faglig forum , Avdeling for lærer- og tolkeutdanning 2015-05-07 -
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Academic lectureStrømskag, Heidi. (2015) Analyse av kvalitative data ved koding og kategorisering. SkrivSats forskergruppe Seminar for forskergruppen SkrivSats , HiST-ALT 2015-02-25 -
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Academic lectureStrømskag, Heidi. (2015) Language use and development in the mathematics classroom: On the TDS. The LaUDiM project Research meeting with the reference group of LaUDiM , Høgskolen i Sør-Trøndelag 2015-06-02 - 2015-06-04
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Academic lectureStrømskag, Heidi. (2015) On the notion of an epistemological model. Matematikkseksjonen ved HiST-ALT Seminar i matematikkdidaktikk , Høgkolen i Sør-Trøndelag 2015-05-26 - 2015-05-27