Attendance does not count for your grade directly, but since there's homework graded (or an exam) nearly every day, you really shouldn't skip class, and the graded homework will be much easier if you are in class for it. (In any case, it's harder to learn if you skip!) I will normally use the graded homework (or exam) 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.
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