Common mistakes for new instructor having practical experience is being hesitant with his/her teaching abilities. Having a positive attitude in instroducing his/her practical experience will go a long way in establishing rapport with the students and gaining their respect for his/her practical knowledge.

Managing the class while having a disruptive student is one of the most challenging facing an instructor. The instructor should point out that the disruptive student is showing disrespect not only for the instructor, but more important for the other students who are in the class to learn for their futures.

Students who try to "brown nose" or polish the apple student need to understand that such behavior will not increase their grade. They need to understand that they are taking time away from other students, and this is not productive to them or to other students.

You need to engage students at the beginning of the course to ensure that you will have an open and honest communication with all students to maximize their learning in the course. This can be done by dividing up the class and have them introduce each other to discuss what are their expectations of the course.