This article provides some strategies for teachers to deal with large classes having into account that this is a very common situation in different educational levels.Some teaching methods that have been used to make significant progress in the learning and teaching process are presented here, with the aim of getting more efficient and effective educational environment.Under these circumstances, teachers need to assure that they provide an interactive learning environment to their students.Finally, a lesson plan example for a mathematics class considering all these aspects is presented at the end of this paper.