Need a quick, no-prep lesson plan for a sub? Or simply want to give your students a break from the monotony of workbook pages, verb conjugation worksheets, etc? My students absolutely love doing these color-by-number worksheets in class. This lesson requires absolutely no prep, and it usually takes an entire class period (50 minutes) to complete.Note- this is supposed to be abstract- I do this so that students do not assume that one entire section will be one specific color (otherwise they will