| Part 1: Preview |
| Part 2: Analyzing and narrating a fraction-of-a-set task |
| Part 3: Supporting students’ understanding and use of representations shared by classmates |
| Part 4: Using student errors to support students’ understanding and use of representations shared by classmates |
| Part 5: Encouraging collective work on errors |
| Part 6: Summarizing to support students’ understanding and use of representations shared by classmates |
| Part 7: Teaching moves that support students’ understanding and use of representations shared by classmates |
| Part 8: Wrap up |