Rectangular Method and Area Calculations

This video tutorial introduces the rectangular method for multiplying whole numbers by visualizing multiplication as finding the area of rectangles. It explains the area formula for rectangles and demonstrates the method with examples, including 53 x 37 and 49 x 35. The tutorial also shows how to transition to traditional multiplication methods while emphasizing the importance of place value.

What is the rectangular method based on?

• The perimeter of rectangles

• The circumference of circles

• The area of rectangles

• The volume of cubes

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If a rectangle has a length of 2 meters and a width of 6 meters, what is its area?

• 12 square meters

• 10 square meters

• 14 square meters

• 8 square meters

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CCSS.4.NBT.B.5

In the example of multiplying 53 and 37, what is the area of the rectangle with dimensions 3 by 7?

• 18 square units

• 21 square units

• 24 square units

• 27 square units

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CCSS.4.NBT.B.5

What is the sum of the areas of the four rectangles when multiplying 53 and 37?

• 1,961

• 1,851

• 1,761

• 1,671

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CCSS.4.NBT.B.5

When multiplying 49 and 35, what is the area of the rectangle with dimensions 9 by 5?

• 50 square units

• 45 square units

• 35 square units

• 40 square units

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CCSS.4.NBT.B.5

What is the product of 49 and 35 using the rectangular method?

• 1,615

• 1,715

• 1,915

• 1,815

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CCSS.4.NBT.B.5

In the traditional multiplication of 286 and 64, what is the product of 4 and 6?

• 20

• 22

• 24

• 26

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CCSS.5.NBT.B.5

What is the result of multiplying 60 by 80 in the example of 286 times 64?

• 4,600

• 4,900

• 4,700

• 4,800

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CCSS.5.NBT.B.5

What is the final product of 286 and 64 using the traditional method?

• 18,204

• 18,304

• 18,404

• 18,504

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CCSS.4.NBT.B.5

Which method can be used to multiply numbers without drawing rectangles?

• Algebraic method

• Graphical method

• Traditional method

• Rectangular method

Tags

CCSS.4.NBT.B.5