pay-attentionMake eye contact with the teacher.

Learn to focus and understand.

Listen.

Don`t interrupt. 

No pen clicking or tapping, talking, or whispering. 

Ask permission to speak by raising your hand.  

Ask questions related to the subject.  Other questions which are not related to the subject can be asked after instruction. 

After instruction, make sure you understand the concept.  If not, ask questions by mentioning which part you didn’t understand.