Surface Area Rectangular Prism Change Scale

You need to paint your rectangular prism bedroom. Your room is 10 feet by 12 feet and has 8 foot tall ceilings. A gallon of the paint you want covers 250 square feet. If you painted the floor, the walls, and the ceiling of your room, how many gallons would you need?

• 2 gallons

• 3 gallons

• 4 gallons

• 5 gallons

Tags

CCSS.7.G.B.6

It takes 2 ounces of paint to completely cover all 6 sides of a rectangular prism box which holds 15 cups of sugar. Double the dimensions of the box. Approximately how much paint would the new box need?

• 8

• 16

• 4

• 3

Tags

CCSS.7.G.B.6

When multiplying a length by a scale factor, does the scale factor change? ​ When adjusting the surface area of a solid, the scale factor must be ​ . When adjusting the volume of a solid, the scale factor must be​ .

• No

• squared

• cubed

• Yes

• Not relevant

• left alone

Tags

CCSS.5.MD.C.5B

CCSS.6.G.A.2

If the height of the rectangular prisms changes from 5in to 10 in what would the difference in surface area be between the two rectangular prisms?

• 80 in.²

• 90 in.²

• 96 in. ²

• 105 in.²

Tags

CCSS.7.G.B.6

What is the surface area of this figure?

• 200 cm ²

• 800 cm ²

• 400 cm ²

• 100 cm ²

Tags

CCSS.7.G.B.6

To calculate the amount of cardboard needed to make a cereal box, which of the following should you find: 

• Area

• Perimenter

• Surface Area

• Volume

Find the Surface Area.

• 15.6m²

• 96m²

• 52.3m²

• 890m²

Tags

CCSS.7.G.B.6

Find the total surface area:

• 556 cm²

• 278 cm²

• 680 cm²

• 340 cm²

Tags

CCSS.7.G.B.6