1. Getting Started (1:01m)
Teacher: Retella Jones
The teacher helps to set the focus of the lesson by reviewing the geometric shapes of familiar road signs.
modem 56K cable/DSL/T1

2. Group Demonstration (0:53m)
The teacher sets up a group demonstration in which cooperative groups use ribbon to create geometric shapes.
modem 56K cable/DSL/T1

3. Student Activity (3:12m)
The teacher gives properties of a geometric shape, and students create the shape out of ribbon.
modem 56K cable/DSL/T1

4. Student Dialogue (1:12m)
Students struggle to meet a definition and many in the class say that the solution is impossible.
modem 56K cable/DSL/T1

5. Student Discussion (1:54m)
Students peer-coach to help a student who thinks the solution is impossible. The teacher reflects on the "send a scout" strategy.
modem 56K cable/DSL/T1

6. Student Discussion (0:45m)
The group explores possible solutions. The project director remarks on the strength of the group process.
modem 56K cable/DSL/T1

7. Interview (0:21m)
The MathScape program increases student understanding by helping to internalize mathematical meaning.
modem 56K cable/DSL/T1

8. Student Work (1:27m)
Students read cluse and demonstrate reasoning and proof to create polygons from ribbon.
modem 56K cable/DSL/T1

9. Teacher Demonstration (0:59m)
The teacher introduces the class to the "side/angle" game.
modem 56K cable/DSL/T1

10. Teacher/Student Dialogue (1:21m)
The teacher coaches a student pair in the "side/angle" game.
modem 56K cable/DSL/T1

11. Teacher Demonstration (1:52m)
The teacher introduces an activity in which ribbon shapes change. The project director remarks about how the topics in the program extend across grades.
modem 56K cable/DSL/T1

12. Student Interviews (2:19m)
This is a series of students giving testimonials about their learning.
modem 56K cable/DSL/T1