Exploring Area Models for Multiplication

The video tutorial explains how to multiply 16 by 27 using the area model. It breaks down the numbers into tens and ones, visualizes the multiplication as a rectangle, and calculates the area by combining smaller sections. The tutorial also compares this method with traditional multiplication, highlighting the understanding gained through the area model.

What is the purpose of using an area model in multiplication?

• To understand the multiplication process better

• To make the numbers larger

• To make the numbers smaller

• To avoid using addition

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CCSS.4.NBT.B.5

How can the number 16 be represented in the area model?

• 20 - 4

• 10 + 6

• 15 + 1

• 8 + 8

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CCSS.2.OA.C.4

What does the '2' in the tens place of 27 represent?

• 2

• 200

• 20

• 2.7

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CCSS.4.NBT.A.1

What is the area of the section that is 20 wide and 10 high?

• 120

• 70

• 200

• 42

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of the section that is 20 wide and 6 high?

• 70

• 42

• 200

• 120

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of the section that is 7 high and 10 wide?

• 42

• 70

• 120

• 200

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of the section that is 7 high and 6 wide?

• 200

• 120

• 70

• 42

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the total area of the rectangle when you sum up all the smaller areas?

• 450

• 400

• 420

• 432

In the traditional multiplication method, what is the result of 7 times 6?

• 42

• 40

• 36

• 48

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CCSS.4.NBT.B.5

Why do we place a zero when multiplying by the tens place in the traditional method?

• To avoid errors

• To make the calculation easier

• To follow the rules

• Because the digit represents a multiple of ten

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CCSS.4.NBT.B.5