Scale Factor
Area Relationship
Perimeter Relationship
Missing side length
Vocab
100
What is the scale factor from B to A?
What is 1/9
100
The area of the big rectangle is _____________ times the area of the small rectangle.
What is 25 times.
100
The perimeter of the small rectangle is ___________ times the perimeter of the large rectangle.
What is 1/4 times
100
What is the value of x? Determine the scale factor then find the missing length.
What is 9
100
5/3 is the ________________ of 3/5.
What is reciprocal.
200
What is the scale factor from small to big?
What is 3/2.
200
The area of shape A is ____________ times the area of shape B.
What is 1/16.
200
The perimeter of rectangle A is __________ times the perimeter of rectangle B.
What is 1/4
200
What is the value of x? Determine the scale factor and find the missing side length.
What is 4?
200
The two triangles above have a scale factor of 1 which means they are ___________________.
What is equivalent.
300
What is the scale factor from B to A?
What is 1/4.
300
The area of rectangle B is ___________ times the area of rectangle A.
What is 16 times
300
The perimeter of rectangle ABCD is ____________ times the perimeter of rectangle EFGH.
What is 5 times.
300
What is the value of x? Determine the scale factor and find the missing side length.
What is 8?
300
The triangles above are the same shape, have the same angles, and the same scale factor is applied to all sides. What type of shapes are they?
What is similar.
400
What is the scale factor from small to big?
What is 2.
400
The area of the smaller rectangle is ___________ times the area of the larger rectangle.
What is 1/9
400
The perimeter of the larger rectangle is _________ times the perimeter of the smaller rectangle.
What is 3 times.
400
What is the value of a. Determine the scale factor and then find the missing side length.
What is 6.
400
A scale factor should always be written in most _______________ form.
What is simplified.
500
What is the scale factor from big to small?
What is 2/3
500
The area of rectangle B is ___________ times the area of rectangle A.
What is 9 times
500
The perimeter of rectangle A is ___________ times the perimeter of rectangle B.
What is 1/3.
500
What is the value of b? Determine the scale factor and then find the missing length.
What is 66.
500
It is often more helpful to write a scale factor as an ___________ fraction instead of a mixed number.
What is improper.