Students are shown how the associative and commutative properties can help with basic addition problems.

Commutative Law of Multiplication is presented with an example in this video.

This video explains the commutative law of addition. Practice problems are available. [1:40]

This QuickTime movie provides an excellent definition for variables with examples. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

Sal Khan explores what happens when we multiply numbers in different orders, for example 3x5 and 5x3. [4:31]

Explores what happens when multiplying numbers in a different order. [4:31]

Sal Khan uses pictures and practice problems to see commutativity and associativity in multiplication. [5:33]

This lesson will demonstrate how to use the Commutative Properties of Addition and Multiplication.

This lesson will demonstrate how to use the Commutative Properties of Addition and Multiplication.

This lesson will define the Commutative Property of Multiplication. It is 1 of 5 in the series titled "Multiplication is Commutative."