dislike having long lines of students waiting for me to edit their papers, I have them put their numbered clothespins on my clipboard so that I'll know who is ready to go. This would also be great for students waiting to take AR tests!
On the first day of school I write my kids a letter telling about myself, and then their task is to write a letter back to me. It gives the kids something simple to do while I deal with parents, school supplies and any other first day hiccups. The letters