Scale Drawings Proportions

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

Jamie made a scale drawing of his apartment building.  The building is 300 ft tall.  He wants his scale to be 1 inch : 10 ft.  How tall should his building be in his scale drawing?

• 25 inches

• 60 inches

• 1/30 inch

• 30 inches

Pam drew a scale drawing of a game room. She used the scale 1 inch : 2 feet. If the air hockey table is 5 inches in the drawing, how long is the actual air hockey table?

• 10 Feet

• 2.5 Feet

• 5 Feet

• 15 Feet

A map has a scale of 1 cm=5km.  On the map, two cities are 3 cm apart. What is the actual distance between these cities? 

• 7 km

• 5 km

• 15 km

• 17 km 

The two rectangles are scale drawings. What is the measurement of x?

• 4

• 20

• 10

• 5

• F

• G

• H

• J

The coach made a scale drawing of a soccer field. The actual dimensions of the soccer field are 90 meters by 120 meters. If the longest side of his drawing is 18 cm, what is the shortest side?

• 12

• 13.5

• 15

• 24

A building has a height of 125 meters and a length of 80 meters. On a scale drawing of the building, the height is 25 centimeters. What is the length of the building on the scale drawing in centimeters?

Mathematical Equivalence

ON

So if the scale drawing has a diameter of 6 inches and the real table will have a diameter of 48 inches, how many inches of the table does 1 inch on the scale drawing represent? Meaning the scale is:

• 1 inch (drawing)

• 8 inches (real)

• 8 inches (drawing)

• 1 inch (real)

• 48 inches (real)

• 48 inches (drawing)

• 6 inches (real)

• 6 inches (Drawing)

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