IM Math 7 Unit 1 Lessons 7-9 Practice

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. 

1. Use the scales and scale drawings to approximate the actual length of the wingspan of the plane, to the nearest foot

• 1. 12 feet

• 1. 46 feet

• 1. 20 feet

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?

• 13 feet long and 15.5 feet wide

• 16.5 feet long and 10 feet wide

• 3 feet long and 55 feet wide

• 30 feet long and 55 feet wide

Tags

CCSS.6.RP.A.3D

A local park is in the shape of a square. A map of the local park is made with the scale 1 inch to 200 feet.

1. If the park is shown as a square on the map, each side of which is one foot/12 inches long, how long is each side of the square park?

• 1. 2,400 feet

• 212 feet

• 16.6 feet

Tags

CCSS.7.G.A.1

An image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor. The actual book is 9 inches wide.

1. What scale is being used for the image?

• 1. 1 inch to 3 inches

• 1. 1 inch to 9 inches

• 1. 1 inch to 6 inches

Tags

CCSS.7.RP.A.2C

Here is an unlabeled rectangle, followed by other quadrilaterals that are labeled. 

Select all quadrilaterals that are scaled copies of the unlabeled rectangle.

Groups:

(a) Scale Copies

,

(b) Not Scale Copies

• A

• C

• F

• H

• E

• D

• G

• B

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Desmond measured a city park and made a scale drawing. The scale he used was 1 centimeter : 9 meters. The actual width of the soccer field is 54 meters. How wide is the field in the drawing?

Enter your answer WITHOUT units.

Mathematical Equivalence

ON

Tags

CCSS.7.RP.A.2C