Schöner männlicher Lehrer in formeller Kleidung mit hölzernem Zeiger und erklärt Gleichungen im Unterricht - Stockfoto & -bild

Serious male teacher in formal wear holding wooden pointer in front of chalkboard with equations

Focused male teacher in formal wear looking at camera and holding wooden pointer in front of chalkboard with equations

Smiling male teacher in formal wear holding wooden pointer in front of chalkboard with equations

Handsome male teacher holding glasses and looking at camera in maths class

Crumpled paper balls flying at frightened male teacher in classroom with chalkboard on background

International student making individual online testing. Trained professional who teaches group of students. Teach is the ability to share information

Caught on cheating. Man formal wear classic suit looks smart, chalkboard background. Man noticed cheating during exam test lesson. Teacher wondered of unfair behaviour holds book in hand.

Crumpled paper balls flying at frightened male teacher in classroom with chalkboard on background

Smiling female teacher with wooden pointer explaining mathematical equations in classroom

Female teacher with wooden pointer explaining mathematical equations in classroom

Female teacher with wooden pointer holding glasses and explaining mathematical equations in classroom

Partial view of female teacher in formal wear with wooden pointer explaining mathematical equations in classroom

Attractive female teacher with wooden pointer explaining mathematical equations in classroom

Smiling female teacher with wooden pointer explaining mathematical equations in classroom

Crumpled paper balls flying at female teacher in classroom with chalkboard on background

Female teacher standing in formalwear near chalkboard and holding glasses