Which one of the following examples best illustrates Piaget's concept of object permanence?
a. Two-year-old Jasmine looks for a favorite toy her father has just hidden in a box.
b. Six-year-old Lucas thinks that his recently deceased grandfather is still alive.
c. Ten-year-old Margaret glues the pieces of a vase she has just broken, claiming that she'll make it look good as new.
d. Fifteen-year-old Kenneth finally understands his geometry teacher's statement that two parallel lines might go on forever without ever touching.
Question 2
From Piaget's perspective, why might it be wise to postpone the teaching of complex fractions until middle school or high school?
a. Younger students haven't attained conservation.
b. Younger students cannot learn complex equations.
c. Younger students haven't attained proportional reasoning.
d. Younger students don't know their math facts well enough.
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