You Arrange Two Rows of Pennies So They Are Equal

Multiple Choice

You arrange two rows of pennies so they are equal in length.A child views the rows and states that s/he has the same amount of pennies.You spread out the pennies in the bottom row so it is longer than the top row.The child now states that the bottom row has more pennies.This child is in which of Piaget's stages?

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