Which property states that the order of addition does not change the sum?

The property that states the order of addition does not change the sum is known as the Commutative Property. This property allows for the rearrangement of the numbers being added without affecting the final result. For example, if you take 2 + 3, it equals 5, and if you switch the order to 3 + 2, it also equals 5. This property is fundamental in arithmetic and algebra, as it provides flexibility in calculations and problem-solving.

Understanding the Commutative Property enhances students' grasp of number relationships and promotes mental math skills, allowing them to approach addition from various angles. This foundational concept is crucial for young learners as it supports their development in more complex mathematical operations later on.