The SLP stands for Soon/Later/Possible. In the S column, write anything you must get done with first priority. These are things that need to be done this week. In the L column, write anything you'd need to get done this week or next. The P column holds anything that you don't want to forget about, but that doesn't need to be urgent.
Ready to print it? Try printing it two sheets per page to make the lists smaller! Loving the idea? Use thick lamination and create a master list that you write on with a dry erase marker!
To read more about this strategy and other time savers visit my blog at TheSpeechRoomNews.com