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These stands can be used for the fraction insets but also for the language metal insets.
This material can be used when the child has already worked with many psycho arithmetic materials and has a good knowledge of the decimal system and operations with big numbers and is acquainted with the hierarchies. This board has been developed to extract the square root of big numbers in a pleasant and fascinating way. It also allows to make many arithmetic operations.
A wooden board with 150 holes and a wooden box with a lid with three compartments containing 50 wooden pegs for each color: green, blue and red (including 3 spare pegs for each color).
Manufacturer: Montessori BF (Trento, Italy)