Aged male math teacher in the classroom

---

Size: 6016px × 4016px
Photo credit: © Elnur Amikishiyev / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: academic, aged, blackboard, board, chalkboard, class, classroom, college, disappointed, discussing, education, elder, elderly, elementary, exam, exhausted, experienced, explaining, fatigue, green, high, learn, learning, lecture, lecturer, lesson, man, mature, mentor, mentoring, older, primary, sad, school, science, secondary, senior, study, studying, teacher, teaching, tired, training, tutor, tutoring, unhappy, university, upset