Unit 3 Reteach Assignment Big Idea 2 (Scale Factor)

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11 questions
1
The length of I'S' is _______ units. The area of rectangle F'I'S'H' is _______ square units. The scale factor from rectangle F'I'S'H' to rectangle FISH is _______.
1
Triangle A is similar to Triangle B. What is the perimeter of B?


The perimeter of Triangle B is _______ units.
1
The figures are similar. What is the perimeter of Figure EFGH?

The perimeter is _______ units.
1
What is the scale factor? Reminder: SF = Scaled Copy/Original
The scale factor is _______ .
1
What is the scale factor? Reminder: SF = Scaled Copy/Original

The scale factor is _______.
1

Look at this square:


If the side lengths are tripled, then which of the following statements about its perimeter will be true?

1

Look at this rectangle:


If the dimensions are doubled, which of the following statements are true?

1

Which figures are scaled copies?

  • Scaled Copies
  • Not Scaled Copies
1

The rug in Danielle’s room has an area of 32 sq. ft. Over break she made a 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?

1
Desmond measured a soccer field and made a scale drawing. The scale he used was 1 centimeter = 9 meters. The actual width of the soccer field is 54 meters. How wide is the field in the drawing?

In the drawing, the width of the field is _______ centimeters.
1
The rectangles are similar. The length of the smaller rectangle is 3 units and the width of the smaller rectangle is 2 units.


What must be the length and width of the scaled copy?

The length is _______ units and the width is _______ units.