More ideas from Teri
"To teaching friends: I use this in high school as a formative assessment before moving on. I don't have a poster or anything, but it really helps you get a grasp on where the class stands on a tough concept." I might make a poster!!!

"Fist to five" check students rate their understanding by holding up the appropriate number of fingers. The goal is for everyone to be in the green. Great way for students to self-assess their understanding and help you to gauge student understanding.