Here is a link to the video by Vi Harte that is the basis for this method:

https://www.youtube.com/watch?v=N-7tcTIrers

Here is the handout I'm giving.  It includes the script from Vi Harte's video, as well as a quick overview one the first page, a connecting representations activity, and some practice problems.

Algebra Is Just Fancy Counting - Presentation Handout.pdf

Here's the keynote I'm using:

All The Big Ideas In Algebra Are Just Fancy Counting.key