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Published byAdrian Strickland Modified over 4 years ago

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The Area Model of Multiplication Using Base Ten Pieces And Boxes To Build Understanding of Multiplication

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Use the Place Value Addition to Rename 32 32 = 30 + 2

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We can solve two easier problems, then add the sums. Remember 32 = 30 + 2

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Suggestion: Let students use a calculator to discover numerical patterns. Do they know what happens when you multiply by a multiple of 10? 3 x 4 = 12 30 x 4 = 120

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Lets Model It 32 x 4

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Lets Solve Those Two Problems 30 x 4 = 120 2 x 4 = 8

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30 x 4 = 120 2 x 4 = 8 120 + 8 = 128 Add the two sums.

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2 x 4 = 8 30 x 4 = 120

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Lets Model It With Boxes Instead of Base Ten Pieces 30 x 4 = 120 8

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Students Can Draw Their Own Boxes They dont have to be concerned with the size once they understand the concept. 120 30 8 2 4 Student should compare the two area models and the traditional algorithm.

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Module 2 Lesson 5 Connect visual models and the distributive property to partial products of the standard algorithm without renaming.

Module 2 Lesson 5 Connect visual models and the distributive property to partial products of the standard algorithm without renaming.

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