Examining mathematics mentor teachers’ practices in professional development courses on teaching data analysis: implications for mentor teachers’ programs

In this paper, we report on the training practices of 12 mathematics mentor teachers who developed and implemented five short professional development courses after participating in a 5-month continuous professional development course “Competence-oriented teaching and learning of data analysis.” The intention of this course was to deepen their professional knowledge of teaching statistics using digital tools, and to develop their competences and...