Scale Drawings and Area

The area of the scale model of a garden is 15 square feet. The scale model is enlarged by a scale factor of 3 to create the actual garden. Which expression finds the area of the actual garden?

The dimensions of a rectangular dining room are 18 feet by 16 feet. If a scale factor of 1/4 is used to make a scale model of the dining room, what is the area of the dining room in the scale model?

A scale model of a rectangular building lot measures 7 feet by 5 feet. If the actual house will be built using a scale factor of 12, what is the area of the actual building lot?

• 35 square feet

• 420 square feet

• 840 square feet

• 5,040 square feet

A rectangle is enlarged by a factor of 6. What is the area of the enlarged rectangle? Select all that apply.

• 120 in.²

• 720 in.²

• 2,400 in.²

• 6(5) x 6(4)

• 6(2) x 6(10)

A rectangular garden is represented on a scale drawing with a scale of 1 inch = 4 feet. If the drawing shows the garden as 3 inches by 2 inches, what is the actual area of the garden?

• 24 square feet

• 48 square feet

• 96 square feet

• 192 square feet

Tags

CCSS.7.G.A.1

A blueprint of a house uses a scale of 1 inch = 8 feet. If a room is 3 inches long on the blueprint, what is the actual length of the room?

• 24 feet

• 16 feet

• 8 feet

• 32 feet

Tags

CCSS.7.G.A.1

A scale drawing of a park has a scale of 1 cm = 10 meters. If the actual park is 200 meters long, how long is it in the drawing?

• 10 cm

• 20 cm

• 30 cm

• 40 cm

Tags

CCSS.7.G.A.1

A scale model of a building is made with a scale factor of 1/50. If the model is 2 feet tall, how tall is the actual building?

• 50 feet

• 100 feet

• 75 feet

• 150 feet

Tags

CCSS.7.G.A.1

A scale drawing of a rectangular field has dimensions 5 cm by 8 cm. If the scale is 1 cm = 20 meters, what is the actual area of the field in square meters?

• 800 square meters

• 1600 square meters

• 2000 square meters

• 3200 square meters

Tags

CCSS.7.G.A.1

A map uses the scale 1 inch = 5 miles. If the distance between two towns is 20 miles, what is the distance on the map?

• 2 inches

• 4 inches

• 5 inches

• 10 inches

Tags

CCSS.7.G.A.1