PSA9BT2 - Student Facing Task---7.1 Lesson 1 What are Scaled Copies? (7.G.A.1)
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Part A)

Here is a portrait of a student.

A cartoon of a boy.

 

Look at Portraits A–E. How is each one the same as or different from the original portrait of the student?

 

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Part B)

Some of the Portraits A–E are scaled copies of the original portrait. Which ones do you think are scaled copies?

Select all that apply:
Part C)

Explain your reasoning.

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Part D)

What do you think “scaled copy” means?

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Part A)

Here is an original drawing of the letter F and some other drawings.

 

 

Identify all the drawings that are scaled copies of the original letter F. 

 

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Part B)

Explain how you know.

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Part C)

Examine all the scaled copies more closely, specifically the lengths of each part of the letter F. How do they compare to the original? What do you notice?

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Part D)

On the grid, draw a different scaled copy of the original letter F.

 

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 A)

Your teacher will give you a set of cards that have polygons drawn on a grid.

 

 

 

Match pairs of polygons that are scaled copies of one another.

 

Which polygon is a scaled copy of Polygon A?

 

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Select one:
Part B)

Which polygon is a scaled copy of polygon B?

Select one:
Part C)

Which polygon is a scaled copy of Polygon E?

Select one:
Part D)

What polygon is a scaled copy of Polygon F?

Select one:
Part E)

Which polygon is a scaled copy of Polygon H?

Select one:
Part F)

Select one pair of polygons to examine further. Explain or show how you know that one polygon is a scaled copy of the other

 

Draw your polygons on paper, take a picture and upload it using the upload photo icon

If you do not have the ability to upload, type "Polygons are on paper".

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Are you ready for more?

 

Is it possible to draw a polygon that is a scaled copy of both Polygon A and Polygon B? Either draw such a polygon, or explain how you know this is impossible.

 

If necessary, draw your polygon on paper, take a picture, and upload it using the upload icon

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

 

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