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
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
African American professor standing at lectern in front of chalkboard and explaining math to university students
Zoom in of female teacher explaining math formulas on chalkboard to diverse students during college lesson in classroom
Senior professor explaining graph on chalkboard during math lesson, then looking at camera and smiling while giving lesson to college students
Black male teacher in disposable face mask pointing at chalkboard and giving math lesson to students while working in school during covid-19 pandemic
Experienced professor teaching math to students in university classroom
Senior professor standing in front of students in classroom and explaining math formulas on chalkboard during lesson in high school
Student giving a presentation during math class
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
African American professor pointing at graphs and formulas on blackboard and speaking to students while giving math lesson in university