Мальчик стоит на стуле, чтобы добраться до доски - Стоковое фото и изображение

Teacher writing math problems on blackboard

Back view of elementary teacher and pupil on the blackboard

Back view of elementary teacher and pupil wiping the blackboard

Back view of little schoolgirl giving schoolfellow a letter

Back view of little girl giving schoolfellow a letter

Young male teacher explaning math to the elementary age pupils at school

Rear view of little schoolboy writing on greenboard with classmates in foreground at classroom

Back view of pupil raising his hand

Back view of elementary school student raising her hand during lesson

Back view of elementary students raising their hands

Back view of little girl raising hand during lesson

Teacher giving math lesson

Little girls chatting during class

Elementary student putting her hand up

Smiling teacher with arms folded next to blackboard

Back view of little boy giving letter to schoolfellow

Students talking during class