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Vocabulary
Equivalent Ratios
Scaled Copies or Not?
Scale Factor Patterns
What is the Scale Factor
100
Two sides that are in the same place on both an original figure and a scale drawing are called ______________ sides.

What is "corresponding"

100

1 : 4 and ____ : 12

What is "3"

100

Rectangle A: 14 in. by 20 in.

Rectangle B: 7 in. by 10 in.

What is "yes"

100

The scale factor is 2. What is the length of the new image if the original side is 8?

What is "16"

100

Original Figure: 7 inches by 14 inches

Scaled Copy: 21 inches by 42 inches

What is "3"

200
The number you multiply side lengths by to make a similar figure

What is "scale factor"

200

5 : 10 and 15 : ____

What is "30"

200

Rectangle A: 3 in. by 7 in.

Rectangle B: 9 in. by 28 in.

What is "no"

200

True or False: If the scale factor is 3, then we just add three to every side.

What is "false"

200

Original figure: 2 inches by 6 inches

Scaled figure: 18 inches by 54 inches

What is 9

300

If the scale factor is greater than 1, then this will happen to the scaled copy. 

What is "get larger/bigger"

300

3 : 7 and 30 : ____

What is "70"

300

Triangle A's angles: 60, 40, and 80

Triangle B's angles: 55, 30, and 95

What is "no"- the corresponding angles are all different

300

The scale factor is 4. The sides of the scaled copy are all 4 times longer than the original. 

If the original perimeter is 10, what is the new perimeter ?

What is "40"

300

Rectangle A: 5 inches by 25 inches

Rectangle B: 1 inch by 5 inches

What is 1/5

400

If the scale factor is less than 1 (example: 0.25) then this will happen to the scaled copy.

What is "it will be smaller"

400

A map has a scale of 2 in:10 miles. If the drawing has 8 inches how many miles does that equal?

What is "40 miles"

400

A triangle with sides:  3 , 4, 5

A triangle with sides:  6 , 7 , 10

What is "No"

400

If the triangle has sides  12, 24 and 32 what are the sides if the triangle is scaled by x1/2?

What is 6 , 12, and 16

400

Rectangle A: 24 inches by 48 inches

Rectangle B: 72 inches by 144 inches

What is 3

500

These are all examples of - (TWO WORDS)

1:3 , 2:6 , 4:12

What are "Equivalent Ratios"

500

A map has a scale of 1 in:5 feet. If the distance of the road is 45 feet, how many inches should be in the drawing?

What is "9 inches"

500

A house is 30 feet tall and 24 feet long. If the scale is: 

1 in : 2 feet what is the height and width of the drawing in inches?


What is "15 inches tall and 12 inches wide"

500

Jake says that to create a scale Copy you multiply the angles by the scale factor. 

Joe says that to create a scale Copy you multiply the vertex by the scale factor.

Who Is correct?

What is "Neither"

500

Rectangle A: 9 inches by 24 inches

Rectangle B: 3 inches by 8 inches


What is "1/3"