2026

• Konferanseforedrag
  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
• Foredrag
  Strømskag, Heidi. (2026) Organising study in the ATD: From questions to didactic infrastructure. ATD in Mathematics Education and Data Science
• Konferanseforedrag
  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
• Konferanseforedrag
  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

• Foredrag
  Strømskag, Heidi. (2025) Re-examining algebra as a modelling tool through didactic transposition. Seminar
• Foredrag
  Strømskag, Heidi. (2025) Matematisk modellering for gymnasiet. Gjesteforelesning
• Konferanseforedrag
  Strømskag, Heidi. (2025) Students’ handling of parameters in mathematical modelling. Nordic Network for Algebra Learning
• Foredrag
  Strømskag, Heidi. (2025) Mathematical modelling as knowledge to be taught: Comparative insights. DidMat Seminar
• Konferanseforedrag
  Puchaczewski, Elsa Noemie Roxane; Bosch, Marianna; Strømskag, Heidi. (2025) Didactic transposition constraints on modelling at upper secondary level: Comparing France and Norway. CERME14
• Konferanseforedrag
  Radmehr, Farzad; Strømskag, Heidi. (2025) Introducing preservice mathematics teachers to multivariable functions through modelling: A study and research path approach. CERME14
• Konferanseforedrag
  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
• Konferanseforedrag
  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

• Konferanseforedrag
  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
• Foredrag
  Radmehr, Farzad; Strømskag, Heidi. (2024) Modelling real-world scenarios: The role of variables and parameters in multivariable functions. Nordic Network for Algebra Learning
• Konferanseforedrag
  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
• Foredrag
  Strømskag, Heidi. (2024) An interdisciplinary inquiry in teacher education for Grades 8–13: Mathematical models of carbon capture and storage. ATD seminar

2023

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

2022

• Foredrag
  Strømskag, Heidi. (2022) Algebra as a modelling tool in student teachers’ investigations of the natural and social world . Nordic Network for Algebra Learning
• Konferanseforedrag
  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
• Konferanseforedrag
  Strømskag, Heidi. (2022) Tverrfaglige studie- og forskningsløyper om klimaendringer i et lektorprogram i realfag (8–13). KLæM 22
• Konferanseforedrag
  Strømskag, Heidi; Chevallard, Yves. (2022) Conditions for revitalizing the elementary algebra curriculum. 12th Congress of the European Society for Research in Mathematics Education
• Konferanseforedrag
  Strømskag, Heidi. (2022) Study and research paths in teacher education. Seminar ved Københavns Universitet
• Konferanseforedrag
  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
• Konferanseposter
  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)
• Konferanseforedrag
  Strømskag, Heidi; Chevallard, Yves. (2022) Didactic transposition of concavity of functions. 4th Conference of the International Network for Didactic Research in University Mathematics

2021

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

2019

• Konferanseforedrag
  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)
• Konferanseforedrag
  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
• Foredrag
  Strømskag, Heidi. (2019) Overgang fra matematikk i skolen til matematikk i høyere utdanning. Årsmøte i Norsk Matematikkråd
• Konferanseforedrag
  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

• Konferanseforedrag
  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
• Foredrag
  Strømskag, Heidi. (2018) Why do some people have problems comprehending mathematics?. Forum for matematiske perler
• Foredrag
  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
• Konferanseforedrag
  Strømskag, Heidi. (2018) Didactical design for the mathematics classroom. Language Use and Development in the Mathematics Classroom

2017

• Konferanseforedrag
  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
• Konferanseforedrag
  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
• Foredrag
  Strømskag, Heidi. (2017) Instruksjonsdesign i matematikk - En epistemologisk modell for en bestemt matematisk kunnskap. Seminar
• Konferanseforedrag
  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)
• Foredrag
  Strømskag, Heidi. (2017) A methodology for instructional design in mathematics. Oberseminar Didaktik der Mathematik
• Konferanseforedrag
  Strømskag, Heidi. (2017) A methodology for instructional design in mathematics. Eighth Nordic Conference on Mathematics Education
• Konferanseforedrag
  Strømskag, Heidi; Jaworski, Barbara. (2017) Modelling situations involving equal-sized groups. PME 41
• Konferanseforedrag
  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

• Foredrag
  Strømskag, Heidi. (2016) Interaction in the mathematics classroom - from the perspective of two different theories. Mathematics Education Centre Seminar
• Konferanseforedrag
  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
• Konferanseforedrag
  Strømskag, Heidi. (2016) Designing didactical situations for the elementary classroom: Conditions that enable or hinder mathematics learning. Advisory Board meeting for the LaUDiM project
• Konferanseforedrag
  Strømskag, Heidi. (2016) Evolution of the milieu for a particular piece of mathematical knowledge. The Thirteenth International Congress on Mathematical Education

2015

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