## Generalize from Repetitions

## Opening

# Generalize from Repetitions

Watch the video that shows Jan and Carlos using a general rule that they developed after seeing something happen over and over again.

- What do you think Jan noticed over and over again as she solved decimal multiplication problems?
- How did this repetition help her come up with her general rule?
- How did Jan justify that her rule works?
- Do you think Jan’s rule works?

VIDEO: Mathematical Practice 8