H7|Scale Factor, Perimeter and Area

Last updated over 2 years ago

8 questions

Instructions

Required

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H7|Scale Factor, Perimeter and Area

Last updated over 2 years ago

8 questions

Instructions

Look for patterns that will help you to describe the changes you see in perimeter and area when figures are changed proportionally. 

Required

Question 1

What generalization can you make about the effects of the scale factor on the measurements figure?

Required

Question 2

How did the scale factor affect the dimensions?

The scale factor does not affect the dimensions. 

The dimensions are 3 times smaller than the original image. 

The dimensions are 3 times larger than the original image. 

Required

Question 3

How did the scale factor affect the perimeter?

The scale factor does not affect the perimeter. 

The perimeter is 3 times smaller than the original image. 

The perimeter is 3 times larger than the original image. 

Required

Question 4

How did the scale factor affect the area?

The area is 3 times larger than the original.

The area is 9 times larger than the original.

The area is 3 times smaller than the original. 

The area is 9 times smaller than the origina. 

Let's summarize the effects of scale factor on Perimeter and Area

Required

Question 5

How would you describe the effects on perimeter when figures are changed proportionally?

Required

Question 6

Mrs. Capps has plans for a rectangular garden that measures 8 ft. by 10 ft. Unfortunately, she does not
have enough room in her backyard and needs to decrease the size of her garden. She only has room for
a garden that has dimensions 0.75 times the size of the original dimensions. What is the perimeter of
her new garden?

36 feet

27 feet

Required

Question 7

How would you describe the effects on area when figures are changed proportionally?

Required

Question 8

The rug in Danielle’s room has an area of 32 sq. ft. Over break she made similar rug for her tree house with an area of 8 sq. ft. What scale factor did she use to reduce the size of the rug?

4

1/4

2

1/2

Look for patterns that will help you to describe the changes you see in perimeter and area when figures are changed proportionally. 

Question 1

What generalization can you make about the effects of the scale factor on the measurements figure?

Question 2

How did the scale factor affect the dimensions?

The scale factor does not affect the dimensions. 

The dimensions are 3 times smaller than the original image. 

The dimensions are 3 times larger than the original image. 

Question 3

How did the scale factor affect the perimeter?

The scale factor does not affect the perimeter. 

The perimeter is 3 times smaller than the original image. 

The perimeter is 3 times larger than the original image. 

Question 4

How did the scale factor affect the area?

The area is 3 times larger than the original.

The area is 9 times larger than the original.

The area is 3 times smaller than the original. 

The area is 9 times smaller than the origina. 

Let's summarize the effects of scale factor on Perimeter and Area

Question 5

How would you describe the effects on perimeter when figures are changed proportionally?

Question 6

Mrs. Capps has plans for a rectangular garden that measures 8 ft. by 10 ft. Unfortunately, she does not
have enough room in her backyard and needs to decrease the size of her garden. She only has room for
a garden that has dimensions 0.75 times the size of the original dimensions. What is the perimeter of
her new garden?

36 feet

27 feet

60 feet

80 feet

Question 7

How would you describe the effects on area when figures are changed proportionally?

Question 8

The rug in Danielle’s room has an area of 32 sq. ft. Over break she made similar rug for her tree house with an area of 8 sq. ft. What scale factor did she use to reduce the size of the rug?

4

1/4

2

1/2

60 feet

80 feet