Scale Factor

Elaine drew the model below of her room and bed. The scale of the model is 1 in. = 2 ft. What is the approximate area of her actual bed?

• 7 ft²

• 14 ft²

• 24 ft²

• 28 ft²

Tags

CCSS.7.G.A.1

What is the scale factor from MNOP to ABCD?

Mathematical Equivalence

ON

Tags

CCSS.7.G.A.1

What is the scale factor from the small triangle to the large triangle?

Mathematical Equivalence

ON

Tags

CCSS.7.G.A.1

The following shapes are scaled copies. What is the scale factor to go from the smaller shape to the bigger shape?

Mathematical Equivalence

ON

Tags

CCSS.7.G.A.1

Find the missing side.

If the scale factor is

1:2

• x = 10

• x = 4

• x = 2

• x = 5

What is the scale factor from the Large rectangle to the Small rectangle?

• 1

• 2

• 1/2

• -2

Tags

CCSS.7.G.A.1

What is the scale factor from the Small triangle to the Large triangle?

• 1

• 3

• 1/3

• 8

Tags

CCSS.7.G.A.1

Irvin made a scale drawing of the fence he is building. He used a scale of 1 cm = 5 feet. What is the perimeter of the actual fence Irvin is building?

• 108 feet

• 130 feet

• 169 feet

• 191 feet

Tags

CCSS.7.G.A.1

An architect is making a floor plan for an apartment. The floor plan will include a Great Room with a length of 30 feet and a width of 20 feet. On her floor plan, 1/4 inch will represent 1 foot of the room's actual width. What will be the width of the Great Room, in inches, on her floor plan?

• A. 5.0

• B. 7.5

• C. 10.0

• D. 20.0

Tags

CCSS.6.RP.A.3D

At Mount Rushmore, the sculpture of George Washington's head is approximately 60 feet in height. If George Washington's head was approximately 3/4 foot in height and his nose was 2 inches long, how long is the nose on the sculpture at Mount Rushmore?

• 2 1/2 feet

• 1 3/5 feet

• 7 feet

• 13 1/3 feet

Tags

CCSS.6.RP.A.3D