Monthly Archives: February 2015

Desmos Polygraph

I’ve used Polygraph from the Desmos team in my Algebra 1 class twice now. The first time was right after we returned from winter break, with the intention of reviewing vocabulary of linear functions (this was the linear functions version of Polygraph). I didn’t set up the activity very well with my students, so I don’t think they really understood what they were supposed to be doing. They kept picking either the horizontal or vertical lines, so their opponent didn’t really need to do anything to guess the line. Continue reading