I love the idea of exit tickets, and especially digital exit tickets. I think having students quickly reflect on what they learned and giving instant feedback is a powerful tool in the classroom. However the reality of exit tickets can sometimes make their implementation cumbersome. Plus we are not 1:1 so having students use digital exit tickets sharing devices is cumbersome. Here is how I use a poster, post-its and a free app on my iPhone for painless and easy digital exit tickets. I have tried giving individual mini quizzes, which resulted in a lot of copying, grading, and collecting on