When asked to count pieces of candy, Adrian counts each piece of candy by saying, "1, 2, 3, 5, 8, 9." He seems to understand the rule that each object should be counted once and only once. Which of the following principles of numeric reasoning does he understand?

Question

Quizplus · Accepted Answer

Adrian understands the principle of one-one, which means that each object is counted once and only once. This is evident from him saying each number only once while counting the candies. He may not understand the principle of stable order as he skipped the numbers 4, 6, and 7 while counting. He may not understand the principle of two-one or order-abstraction, as the given information is not enough to determine if he understands these concepts.

When Asked to Count Pieces of Candy, Adrian Counts Each