Abacus for mental arithmetic on background of sheet of paper with examples for calculation.
Related tags:
- abacus
- mathematics
- school table
- classroom
- children school
- child education
- kids student
- children learning
- pencil
- counting
- educational
- primary school
- school students
- school tools
- school texture
- lesson
- background school
- background education
- mind
- academic
- school
- kids table
- academic background
- paper
- learning
- brain
- elementary school
- kids puzzle
- student
- background paper
- background table
- child development
- student thinking
- paper texture
- childhood
