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Abacuses
Ref. 2633-2634-2636
To identify, know the positional value and the decomposition of the number.
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Didactic content
To identify, know the positional value and the decomposition of the number.
Material
Chipboard base; nickel - plated ribs and plastic counters.
Size
2633 - Abacus (3 columns) - 15 x 10 x 17,5 cm
2634 - Abacus (5 columns) - 25x 10 x 17,5 cm
2636 - Montessori Abacus (5 columns) - 25x 10 x 17,5 cm
Ages
4 years and older.
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To identify, know the positional value and the decomposition of the number.