Surface Area Word Problems

A packing company needs to know how much cardboard will be required to make boxes 18 inches long, 12 inches wide and 10 inches high.  How much cardboard will be needed if there is no overlap in the construction?

• 1032 inches ²
• 600 inches ²
• 432 inches ²
• 1632 inches ²

Sarah needs a PVC pipe with a diameter of 10 inches and a heigh of 2 inches, how much material is needed to make 5 pipes?

• 62.8 inches ²
• 219.8 inches ²
• 314 inches ²
• 422 inches ²

Tags

CCSS.7.EE.B.3

CCSS.7.G.B.4

CCSS.7.G.B.6

A candy bar is shown below.  How much paper is needed to wrap the candy bar?

• 156 inches ²
• 126 inches ²
• 130 inches ²
• 155 inches ²

Tags

CCSS.7.G.B.6

A living room is 20 feet long, 50 feet wide, and 12 feet high.  How much paint do you need to cover the walls?

• 1680 feet ²
• 2680 feet ²
• 3680 feet ²
• 4680 feet ²

Tags

CCSS.7.G.B.6

A soup can has a radius of 2.5 inches and a height of 5 inches.  How much metal is needed to make the can?

• 119.5 inches ²
• 122.75 inches ²
• 78.5 inches ²
• 117.75 inches ²

Tags

CCSS.7.G.B.6

Robert is wanting to make a multi-colored triangular prism with sides lengths of 7 feet, 3 feet, and 10 feet.  It has a height of 8 feet and a base of 20 square feet (hint; square feet means AREA).  If he wants the color of the rectangles to be blue, how much blue material will he need?

• 180 feet ²
• 160 feet ²
• 200 feet ²
• 140 feet 

Tags

CCSS.7.G.B.6

A cylindrical dog water bowl is 10 inches wide and 4 inches deep.  How much plastic is needed to make the bowl?

• 125.6 inches ²
• 204.1 inches ²
• 282.6 inches ²
• 300.6 inches ²

Tags

CCSS.7.G.B.4

CCSS.7.G.B.6

Mario was packing juice boxes into his lunchbox.  His lunchbox can hold 144 in³.  If the juice boxes measure 3 in x 2 in x 3 in, how many boxes can he fit in his lunchbox?

• 8
• 8
• 18
• 288