Here is one version of a Slow Reveal Graph using custom polygons. I like how collapsing one row of the table removes the data from the graph, but keeps it in the table creating a dynamic change in the graph that helps students see the changes from 2010 to 2020. 

What are some of your favorite Slow Reveal Graphs? How else could you see the Polypad tools adding value to Slow Reveal Graphs?

Learn more about this instructional routine at slowrevealgraphs.com and follow Jenna Laib on twitter.