G.A.

Wednesday 10/7 Practice

Writing SCALE FACTOR as a PROPORTION

WRITE AS A PROPORTION

• One ratio should be the given scale

• The other represents the actual measurements

• Solve the missing piece

Multiple Choice

7. A model of a house was built using the scale 5 in:25 ft. If a window in the model is 1.5 in. wide, how wide is the actual window?

• 90 ft
• 7.5 ft 
• 4.5 ft
• 45 in

Multiple Choice

**** On a map, the distance between two towns in 2.6 cm. The scale of the map is 1 cm:50 km. What is the actual distance between the two towns?

• 100 km
• 130 km
• 70 km
• 150 km

Multiple Choice

5. What is the scale of a drawing where a 6 m wall is 4 cm long?

• 1 cm = .66 m
• 1 cm = 1.5 m
• 1 cm = 3 m
• 1 cm = 4 m

Multiple Choice

**** A model of a planned baseball stadium is 2 ft wide. The actual stadium will be 200 yd wide. What is the scale?

• 2 feet = 50 yards
• 1 foot = 200 yards
• 1 foot = 100 yards
• 1 foot = 50 yards

Multiple Choice

6. On a map, the distance between Louisville, Kentucky, and Nashville, Tennessee, is 1 3/4 inches. The scale of the map is 1 in:100 mi. What is the actual distance between the two cities?

• 200 miles
• 175 miles
• 100 miles
• 125 miles

Multiple Choice

An actual mosquito is about 1.6 cm. What is the scale factor of this diagram? [1 cm = 10 mm]

• 2

• 20

• .5

• .05

Multiple Choice

On a map having a scale of 1 inch = 25 miles, the distance between two cities is 3.2 inches. What is the actual distance between the two cities?

• 800 miles

• 80 inches

• 80 miles

• none of the above

Multiple Choice

Yoshi made a scale drawing of his yard. The scale of the drawing is 1 centimeter = 0.5 meter.

The length of the patio is 4.5 centimeters in the drawing. Find the actual length.

• 4.5cm

• 2.25 cm

• none of these answers are correct

• 2.25m