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  1. Employees

Språkvelger

Norsk

Heidi Strømskag

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Heidi Strømskag

Professor and Excellent Teaching Practitioner
Department of Mathematical Sciences
Faculty of Information Technology and Electrical Engineering

heidi.stromskag@ntnu.no
+4773591743 +4798441839 Sentralbygg 2, 938, Gløshaugen, Alfred Getz' vei 1
About Publications Teaching Outreach

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.

 

Competencies

  • Algebra education
  • Didactic design
  • Didactic engineering
  • Mathematical modelling
  • Mathematics education
  • The anthropological theory of the didactic
  • Theory of didactical situations in mathematics

Publications

  • Chronological
  • By category
  • All publications registered in NVA

2025

  • Chevallard, Yves; Strømskag, Heidi. (2025) Institutional and epistemological conditions for a transition to the paradigm of questioning the world. Revista electrónica de investigación en educación en ciencias
    Academic article
  • Radmehr, Farzad; Strømskag, Heidi. (2025) Introducing preservice mathematics teachers to multivariable functions through modelling: A study and research paths approach.
    Academic chapter
  • Puchaczewski, Elsa Noemie Roxane; Bosch, Marianna; Strømskag, Heidi. (2025) Didactic transposition constraints on modelling at upper secondary level: Comparing France and Norway.
    Academic chapter
  • Puchaczewski, Elsa Noemie Roxane; Bosch, Marianna; Strømskag, Heidi. (2025) Textbooks and didactic transposition analyses: Mathematical modelling in Norway and France.
    Academic chapter

2024

  • 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.
    Academic chapter
  • 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
  • Topphol, Vegard; Strømskag, Heidi. (2024) Analysis of a university student's construction of a praxeology for integration tasks. Caminhos da Educação Matemática
    Academic article
  • Chevallard, Yves; Strømskag, Heidi. (2024) 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. (2024) The university perspective on modelling: An exploratory study. International Network for Didactic Research in University Mathematics : INDRUM
    Academic article
  • Strømskag, Heidi. (2024) Obstacles et leviers à la formation des enseignant·es en Norvège. Former des enseignants
    Professional article

2023

  • 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
  • Vajen, Bastian; Strømskag, Heidi; Gildehaus, Lara. (2023) Introduction to CiviMatics.
    Academic chapter
  • Vajen, Bastian; Strømskag, Heidi. (2023) CiviMatics: Interdisciplinary mathematical modelling meets civic education. The CiviMatics Consortium
    Anthology
  • Strømskag, Heidi. (2023) Mathematical Modelling Using Study and Research Paths.
    Academic chapter
  • Topphol, Vegard; Strømskag, Heidi; Rønning, Frode. (2023) Conditions and Constraints Governing University Students' Engagement With Integral Calculus and Mathematical Modelling: An Exploratory Inquiry. Norges teknisk-naturvitenskapelige universitet
    Doctoral thesis
  • Hausberger, Thomas; Strømskag, Heidi. (2023) TWG1: Transitions to, across and from university mathematics. International Network for Didactic Research in University Mathematics : INDRUM
    Academic article

2022

  • Fleischmann, Yael; Rønning, Frode; Strømskag, Heidi. (2022) Modelling climate change through Study and Research Paths.
    Academic chapter
  • Strømskag, Heidi; Chevallard, Yves. (2022) Conditions for revitalizing the elementary algebra curriculum.
    Academic chapter
  • Chevallard, Yves; Strømskag, Heidi. (2022) Condições de uma transição para o paradigma do questionamento do mundo.
    Academic chapter
  • 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) 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

2021

  • Strømskag, Heidi. (2021) Prospective Teachers Solving a Percentage Problem: An Analysis of the Construction of a Praxeology.
    Academic chapter
  • Grenier-Boley, Nicolas; Nicolás, Pedro; Strømskag, Heidi; Tabchi, Theresia. (2021) Mathematics teaching practices at university level.
    Academic chapter
  • 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
    Commentary

2020

  • Abboud, Maha; Coles, Alf; Chesnais, Aurélie; Horoks, Julie; Jaworski, Barbara; Mangiante-Orsola, Christine; Perrin-Glorian, Marie-Jeanne; Strømskag, Heidi; Robert, Aline; Rogalski, Janine. (2020) Quand des didacticiens de mathématiques français discutent des théories avec des chercheurs britanniques et européens.
    Academic chapter
  • Strømskag, Heidi. (2020) Didaktisk ingeniørvirksomhet i matematikk: Multiplikasjon som modell for situasjoner på 3. trinn.
    Academic chapter
  • Strømskag, Heidi. (2020) Shunning algebraic formalism: Student teachers and the intricacy of percents. Recherches en didactique des mathématiques
    Academic article
  • Strømskag, Heidi. (2020) Teorien for didaktiske situasjoner i matematikk: Et systemisk rammeverk for å utvikle og studere matematikkundervisning.
    Academic chapter

2019

  • Kilhamn, Cecilia; Strømskag, Heidi; Hästö, Peter; Liljekvist, Yvonne; Häggström, Johan. (2019) Editorial. NOMAD – Nordisk matematikkdidaktikk
    Academic literature review
  • Chimoni, Maria; Hewitt, Dave; Oldenburg, Reinhard; Strømskag, Heidi. (2019) Algebraic thinking.
    Academic chapter
  • Rønning, Frode; Strømskag, Heidi. (2019) Sense and reference of signifiers for elements of polygons.
    Academic chapter
  • Chimoni, Maria; Oldenburg, Reinhard; Strømskag, Heidi; Cooper, Jason. (2019) Introducing CERME’s Thematic Working Group 3: Algebraic thinking. EMS Newsletter
    Academic literature review

2018

  • 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. (2018) A model for instructional design in mathematics implemented in teacher education. International Network for Didactic Research in University Mathematics : INDRUM
    Academic article
  • Hodgen, Jeremy; Oldenburg, Reinhard; Strømskag, Heidi. (2018) Algebraic thinking.
    Academic chapter

2017

  • Hewitt, Dave; Oldenburg, Reinhard; Postelnicu, Valentina; Strømskag, Heidi. (2017) Introduction to the papers of TWG03: Algebraic thinking.
    Academic chapter
  • 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. (2017) Et miljø for algebraisk generalisering og dets innvirkning på studenters matematiske aktivitet. NOMAD – Nordisk matematikkdidaktikk
    Academic article
  • Banerjee, Rakhi; Strømskag, Heidi. (2017) Topic Study Group No. 11: Teaching and Learning of Algebra.
    Academic chapter
  • Rønning, Frode; Strømskag, Heidi. (2017) Entering the mathematical register through evolution of the material milieu for classification of polygons.
    Academic chapter
  • Strømskag, Heidi; Valenta, Anita. (2017) Constraints to a justification of commutativity of multiplication.
    Academic chapter
  • Strømskag, Heidi; Jaworski, Barbara. (2017) Modelling situations involving equal-sized groups.
    Academic chapter

2015

  • Hodgen, Jeremy; Oldenburg, Reinhard; Postelnicu, Valentina; Strømskag, Heidi. (2015) Introduction to the papers of TWG03: Algebraic thinking.
    Academic chapter
  • Ainley, Janet; Margolinas, Claire; Barquero, Berta; Bikner-Ahsbahs, Angelika; Calleja, James; Clarke, David; Coles, Alf; Gardner, Kimberley; Gimenez, Joaquim; Johnson, Heather L.. (2015) Accounting for student perspectives in task design.
    Academic chapter
  • 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.
    Academic chapter

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. Universitetet i Agder
    Doctoral thesis

Journal publications

  • Chevallard, Yves; Strømskag, Heidi. (2025) Institutional and epistemological conditions for a transition to the paradigm of questioning the world. Revista electrónica de investigación en educación en ciencias
    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; 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
  • 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. (2017) A methodology for instructional design in mathematics—with the generic and epistemic student at the centre. ZDM: Mathematics Education
    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
  • Kilhamn, Cecilia; Strømskag, Heidi; Hästö, Peter; Liljekvist, Yvonne; Häggström, Johan. (2019) Editorial. NOMAD – Nordisk matematikkdidaktikk
    Academic literature review
  • Strømskag, Heidi. (2015) Students' mathematical activity constrained by the milieu: A case of algebra. Suomen ainedidaktinen tutkimusseura
    Academic article
  • Strømskag, Heidi; Chevallard, Yves. (2021) De la TSD à la TAD. Un témoignage. Caminhos da Educação Matemática
    Academic article
  • Strømskag, Heidi. (2020) Shunning algebraic formalism: Student teachers and the intricacy of percents. Recherches en didactique des mathématiques
    Academic article
  • Strømskag, Heidi. (2017) Et miljø for algebraisk generalisering og dets innvirkning på studenters matematiske aktivitet. NOMAD – Nordisk matematikkdidaktikk
    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. (2022) Elementary algebra as a modelling tool: A plea for a new curriculum. Recherches en didactique des mathématiques
    Academic article
  • 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
  • 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. (2024) 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. (2024) The university perspective on modelling: An exploratory study. International Network for Didactic Research in University Mathematics : INDRUM
    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
  • 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. (2021) Betydningen av en matematikkeksamen på fagets premisser. Dag og Tid
    Commentary
  • Strømskag, Heidi. (2024) Obstacles et leviers à la formation des enseignant·es en Norvège. Former des enseignants
    Professional article

Books

  • Vajen, Bastian; Strømskag, Heidi. (2023) CiviMatics: Interdisciplinary mathematical modelling meets civic education. The CiviMatics Consortium
    Anthology

Part of book/report

  • Radmehr, Farzad; Strømskag, Heidi. (2025) Introducing preservice mathematics teachers to multivariable functions through modelling: A study and research paths approach.
    Academic chapter
  • Puchaczewski, Elsa Noemie Roxane; Bosch, Marianna; Strømskag, Heidi. (2025) Didactic transposition constraints on modelling at upper secondary level: Comparing France and Norway.
    Academic chapter
  • Puchaczewski, Elsa Noemie Roxane; Bosch, Marianna; Strømskag, Heidi. (2025) Textbooks and didactic transposition analyses: Mathematical modelling in Norway and France.
    Academic chapter
  • Strømskag, Heidi. (2021) Prospective Teachers Solving a Percentage Problem: An Analysis of the Construction of a Praxeology.
    Academic chapter
  • Hewitt, Dave; Oldenburg, Reinhard; Postelnicu, Valentina; Strømskag, Heidi. (2017) Introduction to the papers of TWG03: Algebraic thinking.
    Academic chapter
  • Abboud, Maha; Coles, Alf; Chesnais, Aurélie; Horoks, Julie; Jaworski, Barbara; Mangiante-Orsola, Christine; Perrin-Glorian, Marie-Jeanne; Strømskag, Heidi; Robert, Aline; Rogalski, Janine. (2020) Quand des didacticiens de mathématiques français discutent des théories avec des chercheurs britanniques et européens.
    Academic chapter
  • Fleischmann, Yael; Rønning, Frode; Strømskag, Heidi. (2022) Modelling climate change through Study and Research Paths.
    Academic chapter
  • Hodgen, Jeremy; Oldenburg, Reinhard; Postelnicu, Valentina; Strømskag, Heidi. (2015) Introduction to the papers of TWG03: Algebraic thinking.
    Academic chapter
  • Vajen, Bastian; Strømskag, Heidi; Gildehaus, Lara. (2023) Introduction to CiviMatics.
    Academic chapter
  • Strømskag, Heidi; Chevallard, Yves. (2022) Conditions for revitalizing the elementary algebra curriculum.
    Academic chapter
  • Strømskag, Heidi. (2024) Study and research paths on differential calculus in teacher education.
    Academic chapter
  • Ainley, Janet; Margolinas, Claire; Barquero, Berta; Bikner-Ahsbahs, Angelika; Calleja, James; Clarke, David; Coles, Alf; Gardner, Kimberley; Gimenez, Joaquim; Johnson, Heather L.. (2015) Accounting for student perspectives in task design.
    Academic chapter
  • Chevallard, Yves; Strømskag, Heidi. (2022) Condições de uma transição para o paradigma do questionamento do mundo.
    Academic chapter
  • Chimoni, Maria; Hewitt, Dave; Oldenburg, Reinhard; Strømskag, Heidi. (2019) Algebraic thinking.
    Academic chapter
  • Grenier-Boley, Nicolas; Nicolás, Pedro; Strømskag, Heidi; Tabchi, Theresia. (2021) Mathematics teaching practices at university level.
    Academic chapter
  • Rønning, Frode; Strømskag, Heidi. (2019) Sense and reference of signifiers for elements of polygons.
    Academic chapter
  • Strømskag, Heidi. (2020) Didaktisk ingeniørvirksomhet i matematikk: Multiplikasjon som modell for situasjoner på 3. trinn.
    Academic chapter
  • Strømskag, Heidi. (2023) Mathematical Modelling Using Study and Research Paths.
    Academic chapter
  • Banerjee, Rakhi; Strømskag, Heidi. (2017) Topic Study Group No. 11: Teaching and Learning of Algebra.
    Academic chapter
  • Strømskag, Heidi. (2020) Teorien for didaktiske situasjoner i matematikk: Et systemisk rammeverk for å utvikle og studere matematikkundervisning.
    Academic chapter
  • Rønning, Frode; Strømskag, Heidi. (2017) Entering the mathematical register through evolution of the material milieu for classification of polygons.
    Academic chapter
  • Strømskag, Heidi; Valenta, Anita. (2017) Constraints to a justification of commutativity of multiplication.
    Academic chapter
  • Hodgen, Jeremy; Oldenburg, Reinhard; Strømskag, Heidi. (2018) Algebraic thinking.
    Academic chapter
  • Strømskag, Heidi; Jaworski, Barbara. (2017) Modelling situations involving equal-sized groups.
    Academic chapter
  • Strømskag, Heidi. (2015) A pattern-based approach to elementary algebra.
    Academic chapter

Student thesis or 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. Universitetet i Agder
    Doctoral thesis
  • Topphol, Vegard; Strømskag, Heidi; Rønning, Frode. (2023) Conditions and Constraints Governing University Students' Engagement With Integral Calculus and Mathematical Modelling: An Exploratory Inquiry. Norges teknisk-naturvitenskapelige universitet
    Doctoral thesis

Teaching

Courses

  • MA0002 - Mathematical Methods B
  • MA3062 - Mathematical modelling in teaching
  • MA3061 - Design and analysis of mathematics teaching

Outreach

2026

  • Conference lecture
    Strømskag, Heidi. (2026) A taxonomy of parameter-related task types for analysing university students’ modelling praxeologies. INDRUM2026: Sixth conference of the International Network for Didactic Research in University Mathematics
  • Lecture
    Strømskag, Heidi. (2026) Organising study in the ATD: From questions to didactic infrastructure. ATD in Mathematics Education and Data Science
  • Conference lecture
    Strømskag, Heidi; Barquero, Berta; Bosch, Marianna; Vásquez, Susana. (2026) Inquiring into existing models in teacher education: Epistemological and didactic needs emerging from two study and research paths. CITAD 8 – 8th International Conference on the Anthropological Theory of the Didactic
  • Conference lecture
    Strømskag, Heidi; Cabero, Ismael. (2026) A praxeological analysis of preservice mathematics teachers’ instructional design: Marginality of the logos block. CITAD 8 – 8th International Conference on the Anthropological Theory of the Didactic

2025

  • Lecture
    Strømskag, Heidi. (2025) Re-examining algebra as a modelling tool through didactic transposition. Seminar
  • Lecture
    Strømskag, Heidi. (2025) Matematisk modellering for gymnasiet. Gjesteforelesning
  • Conference lecture
    Strømskag, Heidi. (2025) Students’ handling of parameters in mathematical modelling. Nordic Network for Algebra Learning
  • Lecture
    Strømskag, Heidi. (2025) Mathematical modelling as knowledge to be taught: Comparative insights. DidMat Seminar
  • Conference lecture
    Puchaczewski, Elsa Noemie Roxane; Bosch, Marianna; Strømskag, Heidi. (2025) Didactic transposition constraints on modelling at upper secondary level: Comparing France and Norway. CERME14
  • Conference lecture
    Radmehr, Farzad; Strømskag, Heidi. (2025) Introducing preservice mathematics teachers to multivariable functions through modelling: A study and research path approach. CERME14
  • Conference lecture
    Bosch, Marianna; Strømskag, Heidi. (2025) The role of didactic situations in teacher education: Epistemological and didactic models. Colloque international en l’hommage à l’oeuvre scientifique de Guy Brousseau
  • Conference lecture
    Puchaczewski, Elsa Noemie Roxane; Bosch, Marianna; Strømskag, Heidi. (2025) Textbooks and didactic transposition analyses: Mathematical modelling in Norway and France. The Fifth International Conference on Mathematics Textbook Research and Development

2024

  • Conference lecture
    Puchaczewski, Elsa Noemie Roxane; Bosch, Marianna; Strømskag, Heidi. (2024) The university perspective on mathematical modelling: An exploratory study. 5th Conference of the International Network for Didactic Research in University Mathematics
  • Lecture
    Radmehr, Farzad; Strømskag, Heidi. (2024) Modelling real-world scenarios: The role of variables and parameters in multivariable functions. Nordic Network for Algebra Learning
  • Conference lecture
    Chevallard, Yves; Strømskag, Heidi. (2024) The concept of study and research inquiry: A foundational approach. 5th Conference of the International Network for Didactic Research in University Mathematics
  • Lecture
    Strømskag, Heidi. (2024) An interdisciplinary inquiry in teacher education for Grades 8–13: Mathematical models of carbon capture and storage. ATD seminar

2023

  • Lecture
    Strømskag, Heidi. (2023) Matematisk modellering i et nytt didaktisk paradigme. Gjesteforelesning
  • Lecture
    Strømskag, Heidi. (2023) Some ATD tools to study mathematics teaching practices and related curricular resources. Gjesteforelesning
  • Lecture
    Strømskag, Heidi. (2023) The role of algebra in the modelling of real-world systems. Nordic Network for Algebra Learning
  • Lecture
    Strømskag, Heidi. (2023) Undervisning og forskning i lærerutdanning med verktøy fra ATD. Seminar i matematikkdidaktikk

2022

  • Lecture
    Strømskag, Heidi. (2022) Algebra as a modelling tool in student teachers’ investigations of the natural and social world . Nordic Network for Algebra Learning
  • Conference lecture
    Strømskag, Heidi. (2022) SRPs in teacher education: Naturalization of knowledge as an obstacle to questioning the knowledge to be taught. 7th International Conference on the ATD
  • Conference lecture
    Strømskag, Heidi. (2022) Tverrfaglige studie- og forskningsløyper om klimaendringer i et lektorprogram i realfag (8–13). KLæM 22
  • Conference lecture
    Strømskag, Heidi; Chevallard, Yves. (2022) Conditions for revitalizing the elementary algebra curriculum. 12th Congress of the European Society for Research in Mathematics Education
  • Conference lecture
    Strømskag, Heidi. (2022) Study and research paths in teacher education. Seminar ved Københavns Universitet
  • Conference lecture
    Strømskag, Heidi; Chevallard, Yves. (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. 3rd Norwegian Network Symposium on Reasoning and Proving
  • Conference poster
    Fleischmann, 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)
  • Conference lecture
    Strømskag, Heidi; Chevallard, Yves. (2022) Didactic transposition of concavity of functions. 4th Conference of the International Network for Didactic Research in University Mathematics

2021

  • Conference lecture
    Fleischmann, Yael; Rønning, Frode; Strømskag, Heidi. (2021) Modelling of climate change in the CiviMatics project. Herbsttagung des GDM-Arbeitskreises 'Mathematik und Bildung'

2019

  • Conference lecture
    Rønning, Frode; Strømskag, Heidi. (2019) Sense and reference of signifiers for elements of polygons. Eleventh Congress of the European Society for Research in Mathematics Education (CERME 11)
  • Conference lecture
    Strømskag, Heidi. (2019) Prospective teachers inquiring into an involved problem of percents: An analysis of conditions and constraints using ATD tools. IRP Advances in the Anthropological Theory of the Didactic and their consequences in curricula and in teacher education
  • Lecture
    Strømskag, Heidi. (2019) Overgang fra matematikk i skolen til matematikk i høyere utdanning. Årsmøte i Norsk Matematikkråd
  • Conference lecture
    Mangiante-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. Séminaire de didactique des mathématiques de l’ARDM

2018

  • Conference lecture
    Strømskag, Heidi. (2018) A model for instructional design in mathematics implemented in teacher education. INDRUM 2018 Second Conference of the International Network for Didactic Research in University Mathematics
  • Lecture
    Strømskag, Heidi. (2018) Why do some people have problems comprehending mathematics?. Forum for matematiske perler
  • Lecture
    Strømskag, 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. Seminar
  • Conference lecture
    Strømskag, Heidi. (2018) Didactical design for the mathematics classroom. Language Use and Development in the Mathematics Classroom

2017

  • Conference lecture
    Strømskag, Heidi. (2017) Combining the theory of didactical situations and semiotic theory in an investigation of students’ enterprise of representing a relationship in algebraic notation. MEC Symposium. Algebra: Gateway to mathematics, science, society and the world
  • Conference lecture
    Mangiante-Orsola, Christine; Perrin-Glorian, Marie-Jeanne; Strømskag, Heidi. (2017) Theory of didactical situations as a tool to understand and develop mathematics teachers' practices. Symposium Frengly 3
  • Lecture
    Strømskag, Heidi. (2017) Instruksjonsdesign i matematikk - En epistemologisk modell for en bestemt matematisk kunnskap. Seminar
  • Conference lecture
    Rønning, 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)
  • Lecture
    Strømskag, Heidi. (2017) A methodology for instructional design in mathematics. Oberseminar Didaktik der Mathematik
  • Conference lecture
    Strømskag, Heidi. (2017) A methodology for instructional design in mathematics. Eighth Nordic Conference on Mathematics Education
  • Conference lecture
    Strømskag, Heidi; Jaworski, Barbara. (2017) Modelling situations involving equal-sized groups. PME 41
  • Conference lecture
    Strømskag, Heidi; Valenta, Anita. (2017) Justification of commutativity of multiplication at Grade 6. Tenth Congress of the European Society for Research in Mathematics Education (CERME 10)

2016

  • Lecture
    Strømskag, Heidi. (2016) Interaction in the mathematics classroom - from the perspective of two different theories. Mathematics Education Centre Seminar
  • Conference lecture
    Mangiante, Christine; Perrin-Glorian, Marie-Jeanne; Strømskag, Heidi. (2016) Using TDS to understand and develop mathematics teaching in primary classrooms in France and Norway. Symposium Frengly 2
  • Conference lecture
    Strømskag, Heidi. (2016) Designing didactical situations for the elementary classroom: Conditions that enable or hinder mathematics learning. Advisory Board meeting for the LaUDiM project
  • Conference lecture
    Strømskag, Heidi. (2016) Evolution of the milieu for a particular piece of mathematical knowledge. The Thirteenth International Congress on Mathematical Education

2015

  • Lecture
    Strømskag, Heidi. (2015) On the notion of an epistemological model. Seminar i matematikkdidaktikk
  • Conference lecture
    Strømskag, Heidi. (2015) TDS: Teorien for didaktiske situasjoner i matematikk – en modell og et analyseverktøy. Faglig forum
  • Lecture
    Strømskag, Heidi. (2015) Language use and development in the mathematics classroom: On the TDS. Research meeting with the reference group of LaUDiM
  • Conference lecture
    Strømskag, Heidi. (2015) Transformation between different registers of semiotic representation of a mathematical object: A challenging task. European Conference on Educational Research (ECER 2015)
  • Lecture
    Strømskag, 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. Seminar, University of Gothenburg
  • Conference lecture
    Strømskag, Heidi. (2015) Flislegging for å finne en sammenheng mellom to typer tall. Novemberkonferansen
  • Lecture
    Strømskag, Heidi. (2015) Analyse av kvalitative data ved koding og kategorisering. Seminar for forskergruppen SkrivSats
  • Conference lecture
    Strømskag, Heidi. (2015) A pattern-based approach to elementary algebra. 9th Congress of the European Society for Research in Mathematics Education
  • Lecture
    Strømskag, Heidi. (2015) Fra faktorer som hindrer algebraiske generaliseringsprosesser til design av epistemologiske modeller. Seminar ved Institutt for matematiske fag

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