Surface area of prisms and cylinders: problems
Grade 8 Math Worksheet
Circle the best answer, or write your answer on the line.
Jun covers a storage box in paper. It is 11 by 4 by 3 inches. What is its total surface area, in square inches?
Luz covers a moving box in paper. It is 14 by 10 by 6 cm. What is its total surface area, in square cm?
Milo covers a tall snack box in paper. It is 5 by 5 by 12 inches. What is its total surface area, in square inches?
Noah's toy cheese wedge is a triangular prism 9 cm long. Each end is a right triangle with sides 5, 12 and 13 cm. What is its total surface area, in square cm?
Pia's toy-car ramp is a triangular prism 3 inches wide. Each end is a right triangle with sides 7, 24 and 25 inches. What is its total surface area, in square inches?
Tala's paper prism is a triangular prism 6 cm long. Each end is a right triangle with sides 20, 21 and 29 cm. What is its total surface area, in square cm?
Zee paints only the curved side of a pillar candle, not its top or bottom. Which measure tells how much paint is needed?
- Volume: the space inside
- Total surface area: the sides and both bases
- Lateral area: only the sides
Ari wraps a gift box in paper so that no cardboard shows. Which measure tells how much paper covers it?
Use the picture in question 7.
- Volume: the space inside
- Lateral area: only the sides, leaving the ends bare
- Total surface area: the sides and both bases
Bo glues a label around the side of a can, leaving both ends bare. Which measure tells the label's area?
Use the picture in question 7.
- Lateral area: only the sides
- Total surface area: the sides and both bases
- Volume: the space inside
Esme paints every outside face of a wooden box, bottom and lid too. Which measure tells the area painted?
Use the picture in question 7.
- Total surface area: the sides and both bases
- Volume: the space inside
- Lateral area: only the sides