Sales price 16,70 €
The golden bead chain of 100 is a psycho-arithmetic material that is offered as a linear decomposition of the square of 100. It is a great help for children to explore numbers up to 100 in a fun way. The chain consists of: ten sticks of pearls connected together to form the chain of 100. It allows the child to have a first knowledge of the concept of the power of a number.