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This material is used to introduce the concept of negative numbers.
Work with golden beads is proposed to the child starting from the age of four, after he has practiced with the first materials of psychoarithmetic and can count up to 10 knowing with certainty the names and quantities associated with the numbers from 1 to 9; the main purpose is to familiarize the child with the decimal system. The material of the golden beads is particularly precious because it has, in general, a triple value: arithmetic, geometric, algebraic.
A set of 10 ten bars made of gold-colored glass beads, contained in a beech wood box with a lid.
Manufacturer: Montessori BF (Trento, Italy)