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