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
Black male teacher in protective face mask standing by chalkboard in front of children in classroom, pointing at posters and explaining math lesson while working in school during covid-19 outbreak
Teacher giving math lesson at school
African American girl in protective face mask writing on chalkboard and reciting math lesson to male teacher and classmates while studying in school during covid-19 pandemic
Unrecognizable female Math teacher wearing mask and eyeglasses giving Math lesson during quarantine
Blonde student teaching math lesson in classroom
African American male teacher writing on chalkboard and explaining math lesson at camera while working remotely from school during covid-19 quarantine
Asian student explaining math lesson with pink hair in classroom
Biracial male student standing at lectern, pointing at math formulas on chalkboard, reading papers and speaking to group mates during lesson
African American professor pointing at graphs and formulas on blackboard and speaking to students while giving math lesson in university