Years ago, when beginning some work on percentage with some HSE students (they were called GED students at the time), I posed the following problem:
Veronica’s math class has 25 students. If 7 of them identify as men, what percent of the class does not identify as men?
I used it as a quick assessment to see what kind of understanding I could build off and what kind of misconceptions I could draw out. Continue reading Mistakes in Math: Expected, Respected and Inspected
My Favorite No is a great assessment activity that turns students’ mistakes into collective opportunities for learning. It can be done with any math topic or content. It takes very little time, so teachers can do it often and weave it into the daily routine of their class. I learned about it from a middle school teacher named Leah Alcala through a video created for the Teaching Channel. Continue reading My Favorite No: A Great Way to Celebrate Student Mistakes in Math