7th Grade Math Quiz (Dec 11)

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 estimate the actual wingspan of the plane to the nearest FOOT.

• 30 ft

• 15ft

• 45ft

• 60ft

Tags

CCSS.7.G.A.1

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?

• 55 feet long and 35 feet wide

• 15 feet long and 55 feet wide

• 13 feet long and 20 feet wide

• 30 feet long and 55 feet wide

Tags

CCSS.6.RP.A.3B

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. Make an estimate of the actual side lengths of Lafayette Square in feet.

• 200 ft by 200 ft

• 800 ft by 500 ft

• 300 ft by 500 ft

• 10,00 ft by 200 ft

Tags

CCSS.7.G.A.1

Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units. Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units.

REMEMBER: The area of a triangle is half of the base x height.

• 16 times larger

• 14 times larger

• 10 times larger

• 8 times larger

Tags

CCSS.7.G.A.1

Marty is building a dog house for his new puppy. It is a simple box shaped house. In his scaled drawing, the length of the house is 4 inches and the width is 6 inches. If his scale is 2in= 1 ft, what is the area of the actual dog house?

• 6 square feet

• 7.5 square feet

• 8 square feet

• 10 square feet

Tags

CCSS.7.G.A.1