Tracking shot of multi ethnic group of university students seen from their back raising hands to answer teachers questions during lecture on mathematics
Handheld shot of middle-aged teacher of mathematics talking to multi ethnic group of students standing around him and answering their questions after lecture on calculus
Medium portrait of college teacher of Mathematics sitting at desk in front of laptop explaining subject to students during online lesson
Tilt up shot of multi ethnic group of college students sitting in lecture hall and listening to teacher, one of them asking question
College lecture. African american teacher talking with students during lesson, asking questions and listening to answers
Middle aged female university teacher in glasses smiling and talking to multi ethnic group of students when asking questions during lecture
Selective focus shot of multi-ethnic students raising their hands to answer teachers question during lesson
Middle aged male teacher of mathematics drinking coffee and using laptop computer at work when delivering lecture on calculus to multi ethnic group of students
Handheld medium shot of middle-aged teacher of mathematics holding cup of coffee and having friendly conversation with multi ethnic group of students after lecture
Group of multi-ethnic college students using Internet on their smartphones to do task during lesson
Group of ethnically diverse college students raising their hands to ask questions of Math teacher
Inclusive shot of teacher engaging diverse students in language class