Verschwommener Lehrer schreibt mathematische Formel auf Tafel - Stockfoto & -bild

Cropped view of blurred teacher writing mathematic equation, banner

Young female teacher writing on blackboard in classroom

Cropped view of teacher writing equation on chalkboard

Blurred teacher smiling at camera while writing mathematic formula

Cropped view of teacher with chalk writing mathematic formula on chalkboard

Cropped view of teacher writing equation on chalkboard, banner

Cropped view of teacher pointing with finger at globe

Preteen boy writing on notebook near father and laptop at home

Smiling kindergarten teacher looking at blurred toddler kid with down syndrome drawing with preschooler girl

High angle view of cheerful schoolboy and schoolgirls sitting with notebooks while drawing on white

Young african american mom looking at camera near child drawing on notebook and globe on carpet

African american child holding notebook near mother with backpack in living room