When Children Grasp the Principle of Cardinality, They Understand That

Multiple Choice

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.