Understanding Common Core Multiplication (Grade 3) 

Part 1  Multiplication Concepts  
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Description
of Lesson • Multiplication as Repeated Addition, Skip Counting • Multiplication as Arrays, Groups 




Part 2  Modeling Multiplication with Rectangular Arrays 

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Description
of Lesson • Definition of Rectangular Arrays • Rectangular Arrays 




Part
3 
Patterns
of Multiplication 

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Description of Lesson • Patterns of: 2's, 5's, 9's, 10's • Odd and Even Factors 




Part 4  Properties
of Multiplication 

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Description of Lesson • The Commutative Property using rectangular arrays • The Distributive Property using rectangular arrays 




Part 5  Understanding
Area Using Rectangular Arrays 

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Description of Lesson • Using rectangular arrays to understand the concept of the area of rectangles • Using area as one way of comparing the size of rectangles 




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2009 Amphitheater Public Schools 

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