**UNIVERSITY OF LUENEBURG:**

Summer 2022

*Digitaly based learning platforms in mathematics education.*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Elementary functions.*Lecture for university students becoming primary or secondary mathematics teachers.*Reserach on mathematics education.*Subject-specific Master’s course for university students at the Leuphana University of Lueneburg.

Winter 2021/ 2022

*Comparative studies in mathematics education (part III).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Research on professionalization and professional development.*Doctoral course for PhD students at the Leuphana University of Lueneburg.

Summer 2021

*Comparative studies in mathematics education (part II).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Digitaly based learning platforms in mathematics education.*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Internship in mathematics.*Didactical school internship for university students becoming primary or secondary mathematics teachers.*Reserach on mathematics education.*Subject-specific Master’s course for university students at the Leuphana University of Lueneburg.*Research on professionalization and professional development.*Doctoral course for PhD students at the Leuphana University of Lueneburg.

Winter 2020/ 2021

*Comparative studies in mathematics education (part I).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Comparative studies in mathematics education (part III).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Didactics of algebra.*Didactical seminar for university students becoming secondary mathematics teachers.*Explanatory videos in teaching mathematics.*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Preparation of the internship in mathematics.*Didactical seminar for university students becoming secondary mathematics teachers.*Research on professionalization and professional development.*Doctoral course for PhD students at the Leuphana University of Lueneburg.

Summer 2020:

*Applied didactics.*Didactical seminar for university students becoming mathematics teachers at vocational schools.*Assessment in mathematics education.*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Comparative studies in mathematics education (part II).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Reserach on mathematics education.*Subject-specific Master’s course for university students at the Leuphana University of Lueneburg.*Research on professionalization and professional development.*Doctoral course for PhD students at the Leuphana University of Lueneburg.*Thinking and arguing mathematically.*Seminar for university students becoming primary or secondary mathematics teachers.

Winter 2019/ 2020:

*Didactics of algebra.*Didactical seminar for university students becoming secondary mathematics teachers.*Comparative studies in mathematics education (part I).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Competency-oriented tasks in mathematics education: Design, implementation and impact (part III).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Real world problems in mathematics education.*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Research on professionalization and professional development.*Doctoral course for PhD students at the Leuphana University of Lueneburg.*School mathematics from a higher perspective.*Seminar for university students becoming secondary mathematics teachers.

Summer 2019:

*Assessment in mathematics education.*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Competency-oriented tasks in mathematics education: Design, implementation and impact (part II).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Internship in mathematics.*Didactical school internship for university students becoming primary or secondary mathematics teachers.*Reserach on mathematics education.*Subject-specific Master’s course for university students at the Leuphana University of Lueneburg.*Research on professionalization and professional development.*Doctoral course for PhD students at the Leuphana University of Lueneburg.*Thinking and arguing mathematically.*Seminar for university students becoming primary or secondary mathematics teachers.

Winter 2018/ 2019:

*Competency-oriented tasks in mathematics education: Design, implementation and impact (part I).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Dear mathematician as a populist. Argue with method.*Interdisciplinary seminar for university students in the module “science uses methods”.*From A to Z: Diversity as an opportunity in teaching mathematics (part II).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Real world problems in mathematics education.*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Research on professionalization and professional development.*Doctoral course for PhD students at the Leuphana University of Lueneburg.*School mathematics from a higher perspective.*Seminar for university students becoming secondary mathematics teachers.

Summer 2018:

*Developing and conducting mathematics education.*Didactical seminar for university students becoming primary or secondary mathematics teachers (in cooperation with Maike Hagena and Inga Röring).*Development of educational institutions.*Lecture for university students becoming primary or secondary mathematics teachers and for students within the Master’s course in educational science.*From A to Z: Diversity as an opportunity in teaching mathematics (part II).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Research on professionalization and professional development.*Doctoral course for PhD students at the Leuphana University of Lueneburg.

Winter 2017/ 2018:

*Arithmetic as a Process.*Lecture for university students becoming primary or secondary mathematics teachers.*From A to Z: Diversity as an opportunity in teaching mathematics (part I).*Didactical seminar for university students becoming primary or secondary mathematics teachers.*Research on professionalization and professional development.*Doctoral course for PhD students at the Leuphana University of Lueneburg.

Summer 2017:

*Development of educational institutions.*Lecture for university students becoming primary or secondary mathematics teachers and for students within the Master’s course in educational science.*Elementary functions.*Lecture for university students becoming primary or secondary mathematics teachers.*Research on professionalization and professional development.*Doctoral course for PhD students at the Leuphana University of Lueneburg.

Winter 2016/ 2017:

*Arithmetic as a Process.*Tutorial for university students becoming secondary mathematics teachers.*School mathematics from a higher perspective.*Seminar for university students becoming secondary mathematics teachers.

Winter 2015/ 2016:

*Supporting students’ learning by competency-oriented tasks if teaching mathematics (part III).*Didactical seminar for university students becoming secondary mathematics teachers.

Summer 2015:

*Didactics of geometry.*Didactical seminar for university students becoming secondary mathematics teachers.

Winter 2014/ 2015:

*Supporting students’ learning by competency-oriented tasks if teaching mathematics (part I).*Didactical seminar for university students becoming secondary mathematics teachers.*Supporting students’ learning by competency-oriented tasks if teaching mathematics (part II).*Didactical seminar for university students becoming secondary mathematics teachers.

Winter 2013/ 2014:

*Insights into the world of mathematics: selected problems from a mathematical point of view.*Seminar for university students becoming secondary mathematics teachers.

Summer 2012:

*Diagnosing students’ performances in competency-oriented teaching mathematics if dealing with modelling tasks.*Didactical seminar for university students becoming secondary mathematics teachers.

**UNIVERSITY OF FREIBURG:**

Summer 2016:

*Understanding analysis and teaching analysis comprehensibly.*Didactical seminar for university students becoming secondary mathematics teachers (in cooperation with Prof. Dr. Timo Leuders).

**UNIVERSITY OF EDUCATION FREIBURG:**

Summer 2016:

*Geometry.*Lecture for university students becoming primary mathematics teachers.*Geometry.*Tutorial for university students becoming primary mathematics teachers.*Internship in mathematics.*Didactical school internship for university students becoming secondary mathematics teachers.

Winter 2015/ 2016:

*Internship in mathematics.*Didactical school internship for university students becoming secondary mathematics teachers.

**UNIVERSITY OF KASSEL:**

Winter 2008/ 2009 up to Winter 2013/ 2014:

*Arithmetic.*Tutorial for university students becoming primary mathematics teachers.

Summer 2009 up to Summer 2013:

*Geometry.*Tutorial for university students becoming primary mathematics teachers.

Summer 2012:

*Didactics.*Tutorial for university students becoming secondary mathematics teachers.

Winter 2010/ 2011:

*Assessing and reporting students’ performances in competency-oriented mathematics.*Didactical seminar for university students becoming secondary mathematics teachers.