FTCE Pre-K Prekindergarten PK-3 Practice Exam

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The property of numbers that states that 1+3 is the same as 3+1 is called what?

Associative property
Distributive property
Commutative property
Identity property

The correct answer is: Commutative property

The correct answer is indeed the Commutative property. This property refers to the ability to change the order of the numbers in an operation without affecting the result. In this case, when you add 1 and 3, it doesn't matter if you start with 1 or 3; the sum will always be the same (4). Therefore, 1 + 3 = 3 + 1 demonstrates the Commutative property of addition. The Associative property, on the other hand, relates to how numbers are grouped in addition or multiplication; it states that the sum or product remains the same even when the grouping of the numbers changes. The Distributive property involves distributing a multiplication operation over addition or subtraction. Finally, the Identity property refers to a number's ability to keep its identity when combined with certain other numbers, such as 0 in addition (where any number plus zero equals that number).