I started off trying to be flexible and understanding and found that I was flexing too much. This caused a lot of stress for me. If you accept late homework, you will receive a wave of late work at the end of the quarter. I have tried making the penalties stiffer and stiffer until I actually saw some results. I tried 10% penalty for late homework (little impact), then tried 50% penalty (that made a difference). In some classes I do not accept late homework at all (this way, we can grade the homework together in class). There is complaining… >>>