Abaco and Gia-Soroban
Through play we can learn and enjoy from the use of Sorobán or abacus, Japanese.
In Sorobán allows the representation of numbers/addition/subtraction... and staging of the play calling, group or individual.
It is a tool used by some Eastern cultures to handle the basic operations of arithmetic. In Sorobán develops observation and memory, improving mental calculation of numbers.
Package Guide Sorobán + Sorobán includes a full booklet for the exploration and development of arithmetic.
26 cms. long
17 columns to calculate
To perform from basic operations to more complex