Aufgeregter Lehrer blickt in Kamera und zeigt mit Finger auf Kreidetafel - Stockfoto & -bild

Smiling teacher looking at camera and pointing with finger near chalkboard

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

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

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

Surprised teacher showing idea gesture while standing with hand on hip near chalkboard

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

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

Shocked teacher touching face and pointing with finger near chalkboard

Cheerful brunette woman in formal wear gesturing and standing on grey

Excited brunette woman celebrating triumph while standing on grey

Excited blonde businesswoman showing yes gesture on grey background

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

Happy redhead woman holding smartphone and smiling on orange

Teacher having online lesson on laptop near math formulas on chalkboard

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

Cheerful brunette woman showing ok sign and smiling on grey