Fun with math! It' the first video (part 1)
https://vimeo.com/channels/573122
Watch the video (part 1) and go through the first two sample problems with her.
Let her help with the setup and then pause it and try on your own before she shows you the answer.
Here's a handout if you weren't in class today
https://docs.google.com/document/d/1oJP0LBcdtZgk2zLwiUQxNQ0FbvFoY3yDRI0JQcYQ6F8/edit?usp=sharing
