If you've ever looked at the clock and wondered where 15 minutes of your class period just disappeared, chances are it got swallowed by a transition. Moving from one activity to another shouldn't take that long. But in many classrooms, it does. Students wander. Materials get lost. The noise level creeps up. And before you know it, you've spent more time managing the transition than you did teaching the actual lesson. The frustrating part? Most teachers know their transitions