You prepare to deliver a particular lecture using different supports for which you have to use the internet, and then you get to the class and the internet goes down. How somebody suppose to handle this situation?

At the end of the course,I always give my students an opportunity to talk about the class and make some critics. A great majority of them always come up with this: they went home, after the first meeting, with the impression that I was the worst person ever, and then during the course of the class, they realize that I was a very nice, kind, and fair guy. Is that a good thing or a bad thing?

I understand that as an instructor I can request additional materials like other books. I want to know if the instructor has a deep preferences for one additional book but not for the referred book given by the school. Is it ok to lecture the class based on the additional book content?

I'm teaching a class where I have different age groups with enormous discrepancies. In fact some are really young, recently graduated from high school and are fast learners, but the majority are adult who haven't been to school for the last 10-20 year, then are really slow. How do I manage that?