When children grasp the principle of cardinality, they understand that
A) attainment serves as the basis for more complex understandings.
B) the last word in a counting sequence indicates the quantity of items in a set.
C) adding and subtracting the same number leaves the original quantity unchanged.
D) the most efficient addition strategy is to start with the highest digit and count on.

Question

Quizplus · Accepted Answer

The principle of cardinality states that the last word in a counting sequence indicates the quantity of items in a set. This means that children understand that counting the objects in a set and pointing to the last counted item gives them the quantity of objects in that set. This principle is foundational to many mathematical concepts that children will learn in the future.

When Children Grasp the Principle of Cardinality, They Understand That