Attendance does not count for your grade directly, but you really shouldn't skip class, and the graded homework will be much easier if you are in class for it. I will normally use graded or returned homework to take attendance. (On the first day of class, I'll pass around an attendance sheet.)
If you expect to be absent, then tell me ahead of time! That way, we can arrange for you to ask any questions that you need and to make up work. If you can't contact me ahead of time, then contact me as soon as possible. I might not give full credit (or indeed any credit!) for assignments that are turned in after I have handed them back; but if you contact me, then I can delay handing it back or promise you an exception.
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