Boy counting colorful abacus
Girl studying while sitting at home
High angle view of person hand holding set square on table
Close-up of hand writing with chalk on blackboard
High angle of girl writing with chalk on footpath
Close-up of abacus
Cropped hand touching abacus
Close-up of doll on table
Close-up of pencil and ruler on table
Side view of man working
Boy using calculator while sitting at desk
Young woman writing homework while sitting against wall at home
Portrait of teacher standing by blackboard
Boy playing in playground
Girl writing on blackboard
Portrait of a smiling girl with toy
Low angle view of multi colored pencils on table
Close-up of solving mathematics
Cropped hand of woman pointing at toy clock by boy on bed
Close-up of girl studying
Close-up of boy drawing on blackboard
Detail shot of abacus
Midsection of businesswoman using calculator at desk
Close-up of abacus against wall
Businesswoman looking at blueprint while using calculator on desk
Side view of boy playing on slide at playground
Low section of person arranging toy blocks in wooden box on bed
Close-up of multi colored abacus on table
Cropped hands of woman writing in book
Cropped hand playing abacus
High angle portrait of girl writing with chalk on footpath
Mother teaching son while sitting by table at home
Close-up of text written on paper
Close-up of hand with text
Close-up of text
Close-up of set square with protractor on white background
Midsection of friends studying on desk
Directly above shot of school supplies on table
Family playing with toys on bed at home
Confident teacher explaining diagram on blackboard in classroom
Teacher holding chalk while standing against blackboard in classroom
Cropped hand doing mathematics in home
Abacus calculator and slate on table
High angle view of rulers and book on table
Close-up of girl writing on book at home
Close-up of boy writing on hand
Rear view of girl writing on blackboard in classroom
Close-up of boy using abacus
Cropped image of child writing on paper
High angle view of books with calculator on bed
Close-up of pencil on book
Boy solving mathematics on blackboard
Daughter crying while studying by mother at home
Boy with teacher at table against blackboard
Teacher writing on whiteboard in classroom
Cropped hand writing in paper at home
Rear view portrait of a boy
Close-up of chalks and duster on table in classroom
Young woman working at desk in office
Midsection of man playing with abacus at table
Portrait of cute girl with hands covering ears standing against blackboard
Girl learning mathematics on blackboard
Cropped image of boy doing homework at home
Close-up of businesswoman working at desk in office
Close-up portrait of cute baby girl looking through toy
Midsection of man by abacus
Close-up of girl writing on paper at home
Portrait of teacher pointing at formula on blackboard in classroom
High angle view of set square with pen against white background
Close-up of boy writing on paper at table
Close-up of blue wall
Cropped hand of person solving mathematics problems on paper
Abacus mounted on wall
Midsection of shirtless man playing with abacus
Portrait of smiling man against blackboard
Smiling girl standing against blackboard in classroom at school
Portrait of boy
Cropped image of boy doing homework
Rear view of businessman writing on whiteboard over tablet computer in office
High angle view of person writing on book at table
Man holding placard
Rear view of a man against blue sky
Cropped hands of woman writing in book at home
Cute boy blowing bubbles in classroom
Rear view of boy writing with chalk on blackboard
Midsection of man playing with abacus