Access full lesson containing this video at: http://www.yourteacher.com/prealgebra/commutativeproperty.php Students learn the following addition properties: the commutative property of addition, which states that a + b = b + a, the associative property of addition, which states that (a + b) + c = a + (b + c), and the identity property of addition, which states that a + 0 = a. Less