Abacus
Boy learning to count using abacus in classroom at kindergarten
Close-up of abacus
High angle view of boy leaning to count using abacus in classroom
Schoolgirl with curly hair learning to count using abacus in classroom at kindergarten
Girl playing with abacus at home
Boy doing homework
Close-up of black abacus
Young woman holding abacus on turquoise brick wall
Girl learning to count through abacus while sitting in classroom at kindergarten
Cropped hand playing abacus
Portrait of smiling boy
Family using laptop on bed at home
Smiling toddler boy playing with colourful toy abacus in a children's entertainment center.
Close-up of multi colored abacus calculator against gray background
Happy father and boy using abacus in living room
Smiling girl leaning to count while using abacus in classroom at preschool
Close-up of multi colored abacus on table
Mother holding abacus while son playing at home
Close-up of abacus against baby at home
Two young girls drawing with colorful markers at table
Father looking at boy using abacus in living room
Front of an abandoned volvo pv 444. a swedish car manufactured during 1944-1957
Portrait of woman standing against wall
Close-up of abacus
Close-up of girl playing with abacus against plants
Low section of person by stacked garlic at market
Midsection of man playing with abacus at table
Close up of young girl drawing circles with marker on paper
Midsection of man playing with abacus
Family playing with toys on bed at home
Close-up of abacus
Close-up of abacus on table
High angle view of abacus calculator on table
Close-up of multi colored abacus against blue background
Baby girl playing with toys at home
Close-up of grapes in bowl
Cropped hand playing with abacus against white background
Portrait of boy doing homework
Weathered blackboard with abacus
Close-up of abacus
Senior man using tablet pc by grandson at home
Girl with curly hair learning to count using abacus in classroom at kindergarten
Preschool girl doing home school work at table with a book and abacus
Cropped hand playing with abacus against white background
Cute little caucasian boy doing his mental arithmetic homework with father sitting next to him
Boy counting colorful abacus
Happy father and son with abacus in living room at home
Schoolgirl using abacus in classroom at kindergarten
Boy with abacus doing homework at table
Thoughtful woman with multi colored abacus in front of brick wall
Midsection of man playing with abacus
Full frame shot of bottles
Detail shot of abacus
Baby girl playing with toys at home
Abacus calculator and slate on table
Close-up portrait of boy
Siblings playing with abacus in home
Side view of girl playing at home
Full frame shot of multi colored balls, abacus
Happy family playing on bed at home
High angle view of abacus on table
Abacus mounted on wall
Fitness exercise room in miami
Close-up of abacus on red table
Portrait of a smiling girl with toy
Close-up of broken abacus on table
Close-up of wood against white background
Close-up of baby hand
Midsection of man playing with abacus
Baby girl playing with toys at home
An old russian pocket abacus
Close-up portrait of cute baby girl looking through abacus
Directly above shot of young girl using colorful abacus
Cropped image of hand using abacus against wall
High angle view of various flowers on table with dial telephone abacus show vintage style
Cute little caucasian boy doing his mental arithmetic homework with father sitting next to him
Cropped hand touching abacus
High angle view of old telephone with abacus on table
Portrait of boy
Baby girl playing with toys at home
Midsection of man by abacus
Close-up of boy using abacus
Close-up of girl playing with abacus against plants
Baby girl playing with abacus while sitting on floor at home
Two girls drawing with colorful markers and paper and smiling at work
High angle view of siblings playing with toys on carpet at home
Close-up of abacus
Midsection of shirtless man playing with abacus
High angle view of shirtless man counting using abacus
Woman teaching abacus to daughter while man playing with son in living room at home
Portrait of schoolboy using abacus to count in classroom at kindergarten
Portrait of boy using abacus
Close-up of abacus against wall
Cropped hands of child holding abacus against white background
Close-up of girl playing with abacus against plants
Wooden abacus on a dark background
Portrait of boy
Cropped image of person holding abacus on table
Boy photographing father by brother playing with ball in living room at home
A young woman with long dark hair stands in a field with and looks at the ears of wheat.