I teach 6 classes of 6th grade math. Five of the periods are about 50 minutes long. No big deal. Unfortunately, there are 4 lunch waves during 5th period, and, since 4th period is when the 6th graders eat, 5th period ends up being 88 minutes long!!! Also, I think my 5th period kids are also my strongest performers! So now, the dilemma is trying to keep all my classes near the same content so they are just not so far ahead... If I keep going, they'll be chapters ahead!!! I've put in some break-time (3-5 minutes) but it still feels like 5th period gets two classes every day while everyone else gets one!! Does anyone else have this experience and how can I keep my kids from advancing too quickly?