Comment
1. Many students arrive early.
2. The teacher starts class as the students enter the classroom.
3. The teacher has a rule, Students are to greet her with a handshake, a high five, or a hug.

Study Questions
1. What has the teacher done to prepare for the arrival of students?
2. How and why do students greet the teacher as they do?
3. Upon entering the classroom, the students have learned to do a sequence of things. What is the sequence?
4. What motivates students to finish their initial classwork?