How to use arithmetic balance group in Montessori teaching aid

Montessori-Arithmetic Balance Group, which is composed of scales, sticks and colored beads, learns the relationship between quantity, addition and subtraction and balance. Function: Cultivate children's perception of weight, master the relationship between weight and equivalence under balance, and perform digital operation.

10- 1 = 9, that is, 10 is taken from 1 0. How much is left?

The key of arithmetic balance group is to let children understand that the number of beads on both sides is not necessarily balanced, but also related to the distance from the fulcrum, which can guide children to explore what kind of relationship.