Scale Factor

The distance between two cities on a map is 4.125 inches.  Find the actual distance if the scale on the map is 2 inches = 40 miles.

• 165 miles
• 50 miles
• 82.5 miles
• 41.25 miles

Tags

CCSS.7.G.A.1

The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?

• 12 feet
• 16 feet 
• 10 feet
• 4 feet

Tags

CCSS.7.G.A.1

The length of a model of a couch is 8 inches, the width of the same model is 4 inches. Using the scale factor 1/6, find the length and width of my actual couch.

• Length: 48 inches
  Width: 24 inches
• Length: 7 inches
  Width: 10 inches

Tags

CCSS.7.G.A.1

What is the scale factor from triangle ABC to triangle DEF?

• 1/2
• 7/3
• 2/1
• 10/3

Tags

CCSS.7.G.A.1

A photo has dimensions 12 x 6. Bob wants to get an enlargement that has scale factor 3. What are the dimensions of the new photo?

• 36 x 18

• 15 x 9

• 18 x 9

• 4 x 2

Tags

CCSS.7.G.A.1

The diagram shows a rectangle that is 3 cm by 5 cm in measure.

Which is the the area of if it is enlarged by a scale factor of 2?

• 60 cm

• 6 cm

• 30 cm

• 32 cm

Two objects that are the same shape but not the same size are _______.

• Congruent
• Vertical
• Similar
• Complementary 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Are the following similar? Why or why not?

• Yes, because the corresponding angles are congruent.
• No, the numbers are even
• No, the sides are 2 times larger, but the width is the same.

Tags

CCSS.HSG.SRT.A.2

Solve the proportion.
____ = ____

• p=31.3
• p=308
• p=924
• p=532

Tags

CCSS.7.RP.A.2B