Lehrerin zeigt mit Finger auf mathematische Gleichung auf Tafel im Unterricht - Stockfoto & -bild

Beautiful female teacher with wooden pointer explaining mathematical equations in classroom

Female teacher in formal wear holding glasses and looking away in classroom

Smiling female teacher with wooden pointer explaining mathematical equations in classroom

Female teacher looking at camera and pointing with finger at mathematical equation on chalkboard in class

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

Female teacher standing in formalwear near chalkboard and holding glasses

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

Young african american teenager writing on white board

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

Male teacher wiping mathematical equations with sponge from chalkboard in classroom

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

Male teacher in formal wear wiping mathematical equations with sponge in classroom

Male teacher in formal wear writing equation on chalkboard in maths class

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

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