"I have also learned that there are different ways to approach a proportion question, and if the student can articulate his reasoning, then we can both learn from each other."

Making Sense of Proportional Reasoning, December, 2017

From a program director:

"I wanted to let you know that I just watched your overview of the CCR Math Standards, and was (again) so inspired! Thanks for putting your video out into the world, in the way you did."

Watch the video here.