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## Use commutative, associative, and distributive properties of numbers including oral descriptions of mathematical reasoning. (0406.1.4)

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. Commutative Property - addition and multiplication properties are explained using an animated image [This expired link is available through the Wayback Machine Internet Archive. If the page doesn't load quickly click on Impatient? at the bottom right of the page.]
4. Commutativity - the ability to change the order of something without changing the end result [Wikipedia]
5. Distributive Property - uses animated images to help explain the property
6. Distributive Property - Animated lesson on distributive property with examples.
7. Distributive Property - short animation that loops
8. Distributive Property - five slide PowerPoint show which uses animation very effectively
9. Number Properties - from Online Math Learning
10. Use the distributive property to simplify numerical and variable expressions - an eleven slide PowerPoint show which use animation effectively to teach the concept

 site for teachers | PowerPoint show | Acrobat document | Word document | whiteboard resource | sound | video format | interactive lesson | a quiz | lesson plan | to print

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