ABSTRACT
As you plan lessons and activities, anticipate potential snags in your plans and prepare for those as well. For example, if you know that Josh and Kayla tend to bicker with each other, avoid placing them in the same group. If you have been forewarned about a possible fire drill “sometime next week,” take advantage of that knowledge and build flexibility in to your schedule, especially if your lessons include a science experiment or test.
An ounce of prevention is worth a pound of cure.
—Henry de Bracton, English Jurist and Writer (ca. 1210–1268)