Cognitive development in Jean Piaget's theory, during the period of the preoperational stage, from a out 4 to 7 years, to think in terms of classes and children are able to think in this way and deal with number concepts
Cognitive development in Jean Piaget's theory, during the period of the preoperational stage, from a out 4 to 7 years, to think in terms of classes and children are able to think in this way and deal with number concepts