Escritura de alumnos en pizarra con tiza durante la clase de matemáticas - Foto e imágenes de stock

Pupil writing on blackboard with chalk during math lesson

Beautiful young teacher writing on blackboard in classroom

Positive teacher pointing with finger during mathematic lesson in school

The teacher stands at the blackboard and asks the student to answer with a hand gesture.

The teacher at the blackboard with a smile asks the answer from the student who pulls his hand.

Female teacher standing in formalwear and looking at student in classroom

Cropped shot of mother and daughter learning numbers on chalkboard

Schoolgirl in yellow sweater writing on blackboard with chalk

Smiling boy writing math example on blackboard with chalk and looking at camera

Smiling schoolgirl writing on blackboard with chalk and looking at camera

Cheerful smiling schoolgirl sitting at desk and looking at camera in classroom

Schoolgirl with pink backpack writing on blackboard with chalk and looking at camera

Schoolgirl with pink backpack writing on blackboard with chalk

Schoolchildren holding wooden cubes with word math near blackboard with mathematics symbols