Khan Academy: Arithmetic Properties: Commutative Law of Addition

Adding double-digit numbers can seem difficult for some students. But, this Khan Academy video makes this process clear in a developmentally sound way. Students watch as 'Sal' adds the number 46 to 43. He references each number by its...

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

This video shows how to write an equivalent numerical expression using the associative and commutative properties of addition. [3:22]

This video introduces basic addition concepts using objects and number lines to represent and add numbers. Practice problems are available. [7:42]

This video shows several examples of addition with up to four-digit numbers. Practice problems are available. [8:57]

A video explaining addition of a two-digit number and a one-digit number using the addition algorithm, objects and number lines. Practice problems are available. [9:47]

Clarify for young scholars the basic properties of addition and multiplication with this foldable math resource. Written on the front flaps are the terms commutative, associative, identity, and inverse...

This video covers a short review of addition, followed by basic subtraction concepts. Practice problems are available. [8:32]

This video covers addition by counting and using a number line, followed by place value concepts and addition of two-digit numbers. Practice problems are available. [12:26]

Zoe from the StudyJams! crew brings the properties of addition to life by clearly explaining the meaning of the associative, commutative, and identity properties as she collects photos for an album. Listen to the included karaoke song...