**UNIVERSITY OF LÜNEBURG:**

Winter 2017/ 2018:

*Arithmetic as a Process.* Lecture for students becoming primary or secondary mathematics teachers.

Winter 2017/ 2018:

*From A to Z: Diversity as an opportunity in teaching mathematics (part I).* Didactical seminar for students becoming primary or secondary mathematics teachers.

Summer 2017:

*Development of educational institutions.* Lecture for students becoming primary or secondary mathematics teachers and for students within the Master’s course in educational science.

Summer 2017:

*Elementary functions.* Lecture for students becoming primary or secondary mathematics teachers.

Winter 2016/ 2017:

*School mathematics from a higher perspective.* Seminar for students becoming secondary mathematics teachers.

Winter 2016/ 2017:

*Arithmetic as a Process.* Tutorial for students becoming secondary mathematics teachers.

Winter 2015/ 2016:

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

Summer 2015:

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

Winter 2014/ 2015:

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

Winter 2014/ 2015:

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

Winter 2013/ 2014:

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

Summer 2012:

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

**UNIVERSITY OF FREIBURG:**

Summer 2016:

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

**UNIVERSITY OF EDUCATION FREIBURG:**

Summer 2016:

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

Summer 2016:

*Geometry.* Lecture for students becoming primary mathematics teachers.

Summer 2016:

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

Winter 2015/ 2016: *Internship in mathematics.* Didactical school internship for students becoming secondary mathematics teachers.

**UNIVERSITY OF KASSEL:**

Winter 2008/ 2009 up to Winter 2013/ 2014:

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

Summer 2009 up to Summer 2013:

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

Summer 2012:

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

Winter 2010/ 2011:

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