Select the representation that models one of the arithmetic properties (commutative, associative, or distributive). SPI 0606.1.4

Links verified on 7/3/2014

1. Area Models for Multiplication and Division - an Annenberg lesson plan from their Learning Math series
2. Basic Number Properties: Associative, Commutative, and Distributive - explanation from Purple Math
3. Commutativity - the ability to change the order of something without changing the end result [Wikipedia]
4. Distributive Property - short animation that loops
5. Distributive Property - five slide PowerPoint show which uses animation very effectively
6. Number Properties - from Online Math Learning
7. Use the distributive property to simplify numerical and variable expressions - an eleven slide PowerPoint show which use animation effectively to teach the concept

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