If students do not understand what is taught in the class the teacher should?

اگر طلبہ سمجھ نہیں پاتے کہ کلاس میں کیا پڑھایا جاتا ہے تو استاد کو کیا کرنا چاہیے؟

Repeat the lesson once again

Teach the lesson again giving more examples

Proceed to the next Lesson so that syllabus could be covered

Checkup the previous knowledge of the students in the topic

If students do not understand what is taught, the teacher should check their previous knowledge of the topic.
This helps identify any gaps in understanding that need to be addressed before moving forward.