Although He Sometimes Forgets the Number 8,4-Year-Old Tucker Can Count

Multiple Choice

Although he sometimes forgets the number 8,4-year-old Tucker can count to 10.When his teacher counts out a set of 9 cards,saying each number as she proceeds,Tucker knows that the last number that the teacher says indicates the quantity of cards in the set.Tucker grasps the concept of

A) false belief.
B) computation.
C) ordinality.
D) cardinality.