For a change, order does not matter. A short video provides a definition of the commutative property of addition. Pupils develop an understanding that—unlike some operations—order does not matter for addition problems.

Concepts

addition, commutative property, commutative property of addition, mathematical properties, properties of addition

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Additional Tags

math

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Instructional Ideas

• For more advanced classes, lead a discussion on whether the property holds for all types of numbers
• Have class members keep graphic organizers for each property of addition

Classroom Considerations

• Individuals should know how to do basic addition

Pros

• Uses a counting problem to illustrate the property
• Includes links to other addition property videos

Cons

• None

Common Core

SL.1.2 1.OA.B.3 MP6 MP7