Biracial male student standing at lectern, pointing at math formulas on chalkboard, reading papers and speaking to group mates during lesson
Zoom in of female teacher explaining math formulas on chalkboard to diverse students during college lesson in classroom
Senior professor standing in front of students in classroom and explaining math formulas on chalkboard during lesson in high school
African American professor pointing at graphs and formulas on blackboard and speaking to students while giving math lesson in university
Caucasian girl explaining math formulas on chalkboard to group of students and professor during university lesson
Dedicated student leading diverse class in engaging lesson
Afro-American male student in protective mask explaining math formulas on chalkboard to classmates and teacher while studying in time of covid-19 outbreak
Teen student speaking with teacher and making notes in notebook during online math lesson in sunlit room
Afro-American college student in protective mask holding paper, pointing at math formulas on chalkboard and speaking during lesson while studying during covid-19 pandemic
Low angle shot of African American professor standing by chalkboard with math formulas on it and explaining lesson in university
African American student teaching math formulas to classmates and professor in college lesson
Nice Female Math Teacher With Board Room With Board To Write Math Formulas. She Holds Pen In Her Hand And Writes Formula. Teacher Explains The Math. Woman Is Recording Video Lesson.