Lächelnder Lehrer mit Kreide, der während des Unterrichts neben der Tafel steht - Stockfoto & -bild

Brunette teacher with book and chalk smiling near equation on chalkboard

Smiling teacher pointing with hand near chalkboard during mathematic lesson

Smiling teacher pointing with finger near chalkboard with mathematic formula

Smiling teacher with chalk showing like near chalkboard with equation

Positive teacher pointing with finger during mathematic lesson in school

Teacher looking at book near mathematic equation on chalkboard

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

Young female teacher beside blackboard on white background