8.6 Changes in Dimensions

The distance around an object is called the 

• area
• perimeter
• volume
• circumference

The space inside an object is called it's

• area
• perimeter
• volume
• circumference

Tags

CCSS.6.G.A.2

Describe the effect of change on the area of the rectangle if the base and height are both multiplied by 1/2.

• The area is multiplied by 1/2
• The area is multiplied by 1/4
• The area is multiplied by 2
• The area is green

Tags

CCSS.6.G.A.1

Suppose the dimensions of a triangle with a perimeter of 18 units are doubled. Find the perimeter of the new triangle.

• 18
• 36
• 72
• 288

Tags

CCSS.HSG.SRT.A.1

A parallelogram has a height of 3 meters and a base of 5 meters. Suppose the dimensions are multiplied by 4. Describe the change in perimeter.

• The perimeter is multiplied by 4. The original perimeter is 16 m and the new perimeter is 64 m.

• The perimeter is multiplied by 4. The original perimeter is 8 m and the new perimeter is 32 m.

• The perimeter is multiplied by 4. The original perimeter is 15 m and the new perimeter is 60 m.

• The perimeter is multiplied by 4. The original perimeter is 4 m and the new perimeter is 16 m.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

A trapezoid has bases 8 in and 12 in. The height is 5 in. Suppose these dimensions are multiplied by 3. Describe the change in area.

• The area is multiplied by 9. The original area is 50 in² and the new area is 450 in².

• The area is multiplied by 9. The original area is 120 in² and the new area is 1080 in².

• The area is multiplied by 9. The original area is 100 in² and the new area is 900 in².

• The area is multiplied by 9. The original area is 20 in² and the new area is 180 in².

Tags

CCSS.6.G.A.1

CCSS.6.RP.A.3

The height (but not the base) of a triangle is doubled. Describe the effect of area.

• The area is doubled
• The area is quadrupled
• The area is halved

Tags

CCSS.HSG.SRT.D.9

Janice made a cake for her nephew's birthday. It measures 9 inches by 16 inches. She found out this will be a huge celebration and decided to double the width and length of the cake. What is the area of the new cake?

• 24 square inches

• 144 square inches

• 288 square inches

• 576 square inches

Tags

CCSS.6.G.A.1

When you double the height, the volume _____

• Stays  the same
• Doubles
• Triples
• Quadruples

When you triple the height, the volume _____

• Stays  the same
• Doubles
• Triples
• Quadruples