Grade 7 | Unit 1 | Lesson 7: Scale Drawings | Practice Problems

The Westland Lysander was an aircraft used by the Royal Air Force in the 1930s. Here are some scale drawings that show the top, side, and front views of the Lysander. Use the scales and scale drawings to approximate the actual lengths of the wingspan of the plane, to the nearest foot.

• 45 feet

• 46 feet

• 47 feet

• 48 feet

The Westland Lysander was an aircraft used by the Royal Air Force in the 1930s. Here are some scale drawings that show the top, side, and front views of the Lysander. Use the scales and scale drawings to approximate the actual lengths of the height of the plane, to the nearest foot.

• 11 feet

• 12 feet

• 13 feet

• 14 feet

The Westland Lysander was an aircraft used by the Royal Air Force in the 1930s. Here are some scale drawings that show the top, side, and front views of the Lysander. Use the scales and scale drawings to approximate the actual lengths of the length of the Lysander Mk. I, to the nearest meter.

• 8 meters

• 9 meters

• 10 meters

• 11 meters

A blueprint for a building includes a rectangular room that measures 3 inches long and 5.5 inches wide. The scale for the blueprint says that 1 inch on the blueprint is equivalent to 10 feet in the actual building. What are the dimensions of this rectangular room in the actual building?

• 25 feet long and 50 feet wide

• 30 feet long and 55 feet wide

• 35 feet long and 60 feet wide

• 40 feet long and 65 feet wide

Here is a scale map of Lafayette Square, a rectangular garden north of the White House. The scale is shown in the lower right corner. Find the actual side lengths of Lafayette Square in feet.

• About 700 ft by 400 ft

• About 800 ft by 500 ft

• About 900 ft by 600 ft

• About 1000 ft by 700 ft

Here is a scale map of Lafayette Square, a rectangular garden north of the White House. The scale is shown in the lower right corner. Use an inch ruler to measure the line segment of the graphic scale. About how many feet does one inch represent on this map?

• 200 feet

• 250 feet

• 300 feet

• 350 feet

Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units. How many times larger is the area of of the scaled copy compared to that of Triangle A?

• 14 times larger

• 15 times larger

• 16 times larger

• 17 times larger

Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units. What scale factor did Lin apply to the Triangle A to create the copy?

• 2

• 3

• 4

• 5

Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units. What is the length of the bottom side of the scaled copy?

• 10 units

• 11 units

• 12 units

• 13 units