Scale Factor and Scale Drawings

A scale drawing of a house shows 9cm ×10cm. If 6cm=12 ft, what are the actual dimensions?

• 9ft x 10ft

• 1ft x 2ft

• 12ft x 6ft

• 18ft x 20ft

Tags

CCSS.7.G.A.1

The scale model of a building is 6.5 inches tall. How tall is the actual building if the scale used for the model is 1 inch = 150 feet?

• 650 feet

• 840 feet

• 900 feet

• 975 feet

Tags

CCSS.7.G.A.1

A scale drawing of a rectangular park is 5 inches wide and 7 inches long. The actual park is 280 yards long. WHAT IS THE SCALE?

• 1 in to 40 yd

• 1 in to 52 yd

• 1 in to 56 yd

• 1 in to 64 yd

Tags

CCSS.7.G.A.1

What is a scale drawing?

• A two-dimensional representation of an actual object or place.

• This line segment from the center of a circle to a point on the circle.

• When two lines cross, they form two pairs of vertical angles across from one another.

• An image that has been made bigger and all the angles change size.

Tags

CCSS.7.G.A.1

True or False: The scale tells us what some length on the scale drawing represents in actual length

• True

• False

Your scale is 1 inch to 5 miles. If the drawing shows a road that is 2 inches long, how many miles is the actual road?

• 5 miles

• 2.5 miles

• 10 miles

• 7 miles

Tags

CCSS.7.RP.A.2C

Lin has a scale model of a modern train. The model is created at a scale of 1 to 48. The height of the model train is 102 millimeters. What is the actual height of the train?

• 4,896,000 millimeters

• 4,896 millimeters

• 48.96 meters

• 2.125 millimeters

Tags

CCSS.7.G.A.1

Kiera measured a farm and made a scale drawing. In real life, the goat pen is 18 meters long. It is 6 centimeters long in the drawing. What scale did Kiera use for the drawing?

• 1 cm = 6 meters

• 1 m = 18 centimeters

• 18 centimeters = 6 meters

• 1 cm = 3 meters

Tags

CCSS.7.G.A.1

Which angle corresponds to angle ABC?

• angle BCA

• angle EDF

• angle DFE

• angle CAB

Tags

CCSS.HSG.CO.B.7

ABCD is the original, EFGH is the copy. If angle E is 30^o, what is angle A?

• 15^o

• 30^o

• 60^o

• 90^o

Tags

CCSS.8.G.A.3