Unit 1 Scale Drawings Review

Scale factor is _________

• the number you multiply the original shape by in order to get the scale copy
• the number you divide the original shape by in order to get the scale copy
• the number you add the original shape by in order to get the scale copy
• the number you subtract the original shape by in order to get the scale copy

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

What is the scale factor from the small triangle to the large triangle?

• 2

• 3/2

• 2/3

• 1/2

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A scale drawing of a backyard uses a scale of 1in = 7ft. If the actual width of the backyard is 49 ft, how wide is the backyard in the drawing?

• 14 in

• 7 in

• 42 in

• 56 in

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.3

A map says that 2 in represents 16 miles. What is the distance on the map (in inches) that represents the actual distance of 40 miles?

• 8 inches

• 2.5 inches

• 5 inches

• 20 inches

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The scale on a map says that 3 cm represents 12 km. What is the actual number of km represented by 5 cm on the map?

• 1.5 km

• 20 km

• 2.4 km

• 60 km

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

On a map, Memphis, Tennessee, and Jackson, Mississippi, are 5 inches apart. The distance between the cities is actually 210 miles.

What scale was used to create the map?

• 42 inches = 1 mile
• 1 inch = 42 miles
• 40 inches = 1 mile
• 
  1 inch = 40 miles

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Is Figure B a scaled copy of Figure A?

• Yes

• No

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

What is the scale factor?

• 4
• .25
• 5
• 6

Tags

CCSS.7.G.A.1

The second H-shaped polygon is a scaled copy of the first. What is the scale factor from the original polygon to its smaller copy?

• 1/4

• 4

• 2

• 1/2

Tags

CCSS.7.G.A.1