In my high school classes I have found that when I go over too many practice questions with my students they easily lose interest. For the past couple years I have been giving my students only 5 questions at a time. We call these "Fast 5's." Over the years I have changed the way I use these.  I used to assign them as homework but I found it was too easy for the students to share the answers with one another. I would sometimes use them as an exit ticket out the door but then I had to remember to check them, hand them back, and then go over them the next day. This didn't always happen as much as I wanted. It's funny how sometimes in teaching we keep doing what we've always done even though we know it isn't as effective as it could be but we just don't know how to tweak it to make it better. Often the change that needs to be made is a tiny change but it makes a HUGE difference.  I've had a teaching revolution this year due to the pandemic. This school