Yadi Stewart

Empathy and personal teaching approach is the way to go.

Using feedback from the students as a tool, is the best way to refocus.

have a laugh once in a while

A person needs to grow in order to learn

Take notes of your lectures, avoid repeating same mistakes.

A disruptive student is not entitled to behave bad in class. It can be removed from class after regular disciplinary steps. 

All the students should have the chance to speak, one way or another. Is imperative for the teacher to be sure that the students have their 5 minutes each one.