Suzanne Is Sitting at a Table in School with Several

Multiple Choice

Suzanne is sitting at a table in school with several of her classmates.The teacher spreads out a pile of pennies in front of them and asks the children to put the pennies into a stack.Suzanne is the only child in her class who realizes that the number of pennies remains the same whether they are spread out on the table or in a stack.According to Piaget,Suzanne has already entered the __________ stage of development.

A) sensorimotor
B) preoperational
C) concrete operations
D) formal operations