Transcript:
"In this challenge, focus on the mathematical discourse that occurred in the geometry lessons. An important aspect of classroom discourse is to facilitate and stimulate students' thinking about the concepts being discussed. Specifically, in this challenge, you are to analyze the role of the teacher in the classroom discourse, the role of the students in that discourse, and the tools used for enhancing the discourse. Give particular attention to the teacher's role in initiating and guiding the development of the mathematical discussions in both whole-class and small-group settings.
To begin your investigation, consider this episode that occurred during the second day's lesson."