Exploring
No captions
Captions
Stop the video above first if it is playing.
No captions
Captions
Stop the video above first if it is playing.

The students apply Nicole’s method for finding the total number of gray cobblestones for a new Size Number.
Episode Supports 
Students’ Conceptual Challenges
Focus Questions
For use in a classroom, pause the video and ask these questions:
1. [Pause video at x:xxx]. text
Supporting Dialogue
Focus students’ attention on conjecturing and providing evidence for their conjectures:
1. Example