For many years a favorite book of mine was If it is not broken, then break it by George Morrison. The author stresses that the time to improve something is when it is working, not when it is broken. If you fix something when it is broken, you usually only restore it to its original condition but not an improved one.
If you spend time in reflecting on the lesson or unit and breaking the present level, you improve it to a higher level. Your students learn better.
When do you stop and break your class? Do you consciously say “What can I improve the next time I do this?” Do you rewrite your lesson plans? Redo your PowerPoint? Find different websites? Think about wording things differently on your handouts? Do you ask your students what worked for them such as rating each part of the unit on a 4-very helpful for learning the goal 3- somewhat helpful 2- a little helpful 1- not helpful at all” scale and do you ask them “What would have helped me better learn this goal?” Do you honestly consider their suggestions?
Break your class to help your students better succeed!
One way to break your class is through formative assessment.
My book, Formative Assessment: Responding to Students, is available through Eye-on-Education.