Understand the Commutative Property by Naming Arrays

This Understand the Commutative Property by Naming Arrays video also includes:

An array acts as the vehicle for learning a powerful multiplication strategy–counting in patterns to multiply. With a step-by-step visual breakdown of multiple methods for counting a 4x2 array, learners see that there is more than one way to solve a problem. As the first video of a five-part series, the lesson does a lot to scaffold learning that will come later.

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CCSS: Designed
Classroom Considerations

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  • The first segment of the video does a great job of showing how using patterns when counting a group of objects is a good way to begin to think in terms of multiplication
  • Highly visual explanation helps clarify concept

  • The term commutative is not used within the video itself, so be sure to review this vocabulary word with the class
  • The explanation of counting down a column and counting down a row is a bit confusing
Common Core