PSA6QB2 - Practice Problems---7.1 Lesson 6: Scaling and Area (7.G.A.1, 7.G.B.6)
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Part A)

On the grid, draw a scaled copy of Polygon Q using a scale factor of 2.

 

 

Draw your scaled copy on paper, take a picture, and upload it using the image upload icon


If you do not have the ability to upload an image of your work type "Scaled copy is on paper."

 

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Part B)

Compare the perimeter and area of the new polygon to those of Q.

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Part A)

A right triangle has an area of 36 square units.

If you draw scaled copies of this triangle using the scale factors in the table, what will the areas of these scaled copies be?

 

What is the area when the scale factor is 2?

 

Do not include "square units" in your answer.

 

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Part B)

What is the area when the scale factor is 3?

 

Do not include "square units" in your answer.

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Part C)

What is the area when the scale factor is 5?

 

Do not include "square units" in your answer.

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Part D)

What is the area when the scale factor is 1/2?

 

Do not include "square units" in your answer.

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Part E)

What is the area when the scale factor is 2/3?

 

Do not include "square units" in your answer.

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Part F)

Explain or show your reasoning on how you solved.

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Part A)

Diego drew a scaled version of a Polygon P and labeled it Q.

 

 

If the area of Polygon P is 72 square units, what scale factor did Diego use to go from P to Q?

 

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Part B)

Explain your reasoning.

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Part A)

Here is an unlabeled polygon, along with its scaled copies Polygons A–D.

 

 

Determine the scale factor for copy A.

 

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Part B)

Explain how you know.

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Part A)

Here is an unlabeled polygon, along with its scaled copies Polygons A–D.

 

 

Determine the scale factor for copy B.

 

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Part B)

Explain how you know.

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Part A)

Here is an unlabeled polygon, along with its scaled copies Polygons A–D.

 

 

Determine the scale factor for copy C. 

 

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Part B)

Explain how you know.

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Part A)

Here is an unlabeled polygon, along with its scaled copies Polygons A–D.

 

 

Determine the scale factor for copy D.

 

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Part B)

Explain how you know.

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Solve each equation mentally.

 

 

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Solve the equation mentally.

 

 

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):

Solve the equation mentally.

 

 

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):