Read each statement below and decide what stage of Piaget's Cognitive development it illustrates. Explain your thinking. The first one is done for you.

1. Young babies tend to cry when their parents leave the room because they think the parents are gone.Sensorimotor stage. Young babies lack object permanence, so they don't understand that the parents continue to exist once they leave the room.

2. Kiah can solve equations and do complex multiplications mentally.

3. Betty only had three cookies to share with her sons. So she takes one of the cookies and breaks it in half. Now she has four, of different sizes. Her sons however, do not mind, because they each get 2.

4. Noah and Alice are playing house.

5. Robesha gave her daughter a new toy and she automatically put it in her mouth.

6. John and his son are playing peek-a-boo. His son is amazed everytime his vision is blocked and then unblocked.

7. Evan doesn't understand what you mean when you tell him that a pound of feathers is the same as a pound of bricks.

8. Mia can foil equations without writing it out.