1. Getting Started (1:01m)
Teacher: Amy Doherty
The teacher sets the focus of the lesson: mean-median-mode.

2. Interview (0:53m)
Susan Janssen,
MathScape Project Director
The MathScape project director reflects on student group work.

3. Student Activity (3:12m)
Teacher Amy Doherty
Students compare each basketball player's statistics to find the best player. Understanding of range is clarified.

4. Student Dialogue (1:12m)
Students compare and rank the basketball players and prepare to put their recommendations in writing.

5. Student Work (1:54m)
Teacher Amy Doherty
Teacher describes the template for writing a paragraph to persuade. Students use statistics in their persuasive arguments.

6. Student Activity (0:45m)
Students peer-coach each other for improving their persuasive paragraphs.

7. Interview (0:21m)
Director Susan Janssen
A goal of the MathScape program is writing to communicate understanding of math.

8. Teacher Reflection (1:27m)
Teacher Amy Doherty
As students peer-review writing they discover a misuse of math terms. The teacher reflects on the writing component.

9. Students Present (0:59m)
Student demonstrates understanding of statistical comparisons by recommending a player for the MVP award.

10. Students Present (1:21m)
A variety of students share their written ideas as the teacher reflects on what they have learned.

11. Teacher Dialogue (1:52m)
Small group data versus class data is compared.

12. Teacher Demo (2:19m)
After a demo on how to find the media, teacher asks for a data set with a mean of "4."

13. Student Activity (1:25m)
A group forms a strategy for finding a solution set with a mean of "4." (Players needed to total 20 for a mean of "4.")

14. Teacher Dialogue (0:58m)
Teacher leads class to eliminate solutions that couldn't work for the original line plot.

15. Teacher Presentation (1:56m)
Teacher presents Mystery Game F: The class follows clues to solve a data set.

16. Student Work (2:57m)
The students solve the data set by using a "balancing" idea--subtract some then add to counterbalance.

17. Student Dialogue (6:47m)
Students struggle, adjust, and try again to problem solve for a data set. Teacher checks their progress.

18. Teacher/Class Dialogue (3:07m)
Teacher elicits strategies used to solve the problem: guess & check, mean as the "middle" value in a balancing strategy, etc.

19. Teacher Summary (1:08m)
Teacher summarizes using a chart, then assigns Mystery Data Game for homework.

20. Teacher Reflection (0:48m)
Teacher Amy Doherty
Teacher reflects on student interest and her role as a facilitator.