As an English teacher, what are the best activities you create for the students, in different levels?

By keeping in mind my students IQ level will try to make groups to discuss different topics to help them to acquire language speaking capabalities. 

in my view it is good to provide vocabulary's card game in groups in different  level of students because in this way they build up their mutual understanding and confidence which is the cause of good learning except this one provide them topic of group discussion if possible than present picture in front of them or play funny video

One of the basic tasks of the teacher is to provide students with the information and experience they need in their intended material. It is assumed that the teacher is aware of this information correctly and clearly, as it is obvious that the missing thing does not give him. The teacher can not provide the student with proper information if he is not absorbed. Hence the idea of ​​specialization, as the teacher is expected to specialize in a branch of science and be able to. Of course, this does not relieve him know what is outside his specialty.- Educational competence: Knowledge of the scientific material with its importance is not enough alone, but must be joined by knowledge of the appropriate educational methods in dealing with the student. The student is not a machine that controls the state of reception and pours information inside it, but it is a human being with spirit, mind, emotions and body, and passes at one hour different psychological states and emotions. The teacher deals with the student in all these cases and from all these aspects, so he must be familiar with the methods of education and methods of dealing with students.

Actually, I'm not an English teacher, but I was students in the USA. what I saw the most things that effects in education and in the class are the group discussions, participates in the small group, and Practical participate