C4L3 Changing Dimensions

You can find scale factor by using which formula?

• old measure/new measure
• length/volume
• volume/length
• new measure/old measure

Tags

CCSS.7.G.A.1

The length of a rectangular prism changes from 6 feet to 18 feet.  What is the scale factor of the change?

• 1/3
• 3
• 2
• .3

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Describe the effect of the change on the perimeter of the given figures. The base and height of a rectangle with base 4 ft and height 5 ft are both doubled.

• The perimeter is doubled.
• The perimeter is quadrupled.
• The perimeter is two more.
• The perimeter is four more.

Tags

CCSS.7.G.A.1

Describe the effect of the change on the area of the given figures. The base and height of a rectangle with base 4 ft and height 5 ft are both tripled.

• The area is doubled.
• The area is quadrupled.
• The area is 9 times greater.
• The area is 6 times greater.

Tags

CCSS.7.G.A.1

Describe the effect of the change on the area of the given figures. The base and height of a rectangle with base 4 ft and height 5 ft are both doubled.

• The area is doubled.
• The area is quadrupled.
• The area is 9 times greater.
• The area is 6 times greater.

Tags

CCSS.7.G.A.1

A contractor is going to build a house. He decides to quadruple the area of the rectangular living room floor. Which change will quadruple the area of the living room floor?

• doubling the width and the length
• doubling the width only
• adding 2 feet to the width and the length
•  adding 2 feet to the width only

Tags

CCSS.7.G.A.1

If you double the side of a square, how does that change the perimeter of the square? 

• quadruples it
• havles it
• same
• doubles it

If you double the side of a square, how does that change the area of the square? 

• quadruples it
• havles it
• same
• doubles it

If you double the width and  length of a rectangle, how does that change the area of the rectangle? 

• quadruples it
• havles it
• same
• doubles it

If you double the width and  length of a rectangle, how does that change the perimeter of the rectangle? 

• quadruples it
• havles it
• same
• doubles it