Lächelnder Lehrer zeigt mit der Hand auf Kreidetafel im Mathematikunterricht - Stockfoto & -bild

Brunette teacher with book and chalk smiling near equation on chalkboard

Smiling teacher pointing with finger near chalkboard with mathematic formula

Smiling teacher with chalk showing like near chalkboard with equation

Smiling teacher with chalk standing near chalkboard during lesson

Teacher with book and chalk pointing with finger during lesson in classroom

Positive teacher pointing with finger during mathematic lesson in school

Smiling teacher holding chalk and pointing at equation on chalkboard in classroom

Teacher looking at book near mathematic equation on chalkboard

Cropped view of teacher with chalk writing mathematic formula on chalkboard

Cropped view of teacher writing equation on chalkboard

Cropped view of teacher writing equation on chalkboard, banner

Young student in glasses holding books isolated on white

Happy redhead student in glasses and orange sweater holding notebooks and paper cup isolated on blue, banner

Cropped view of teacher pointing with finger at globe