Usmívající se učitel při pohledu na kameru a ukazující prstem u tabule - Stock fotografie a obrázky

Happy teacher smiling at camera while standing with open arm near chalkboard

Happy teacher in eyeglasses looking at camera while standing with clenched hands near chalkboard

Excited teacher looking at camera and pointing with finger near chalkboard

Excited teacher showing winner gesture and looking at camera while standing near chalkboard

Smiling teacher looking away and pointing with finger near chalkboard

Laughing teacher in eyeglasses holding book while standing near chalkboard with open arm

Serious teacher in eyeglasses showing stop gesture while standing near chalkboard

Thoughtful teacher touching head and looking away while standing with hand on hip near chalkboard

Teacher having online lesson on laptop near math formulas on chalkboard

Teacher talking and holding laptop during online lecture near chalkboard in classroom

Teacher talking near math formulas on chalkboard and blurred digital camera in classroom

Teacher holding laptop during online lesson near chalkboard with math formulas in class

Teacher pointing at math formulas on chalkboard during online lesson in class

Smiling teacher pointing with fingers near chalkboard with math formulas and digital camera in class

Teacher in eyeglasses explaining math formulas on chalkboard near digital camera in class

Smiling teacher using laptop near math formulas on chalkboard in school

Teacher talking near blurred digital camera and chalkboard with math formulas in classroom