Surface area from a net: prisms and pyramids
Grade 7 Math Worksheet - Challenge Me
Circle the best answer, or write your answer on the line.
Sketch, not to scale. Bo's recipe box has no lid. It is 7.5 cm long, 4 cm wide and 3 cm tall. It is a tidy box. How much paper covers its outside, in square cm?
Jun's gift box is 10 cm long, 5 cm wide and 4 cm tall. A label wraps around the four sides only. The band is red. What is the label's area in square cm?
Kira's lunch box is 7 in long, 2.5 in wide and 6 in tall. A label wraps around the four sides only. The stripe is purple. What is the label's area in square inches?
Milo's playhouse roof is a triangular pyramid with a right-triangle base: legs 9 and 12 cm. The tip is 3 cm high. A chimney peeks out. What is its surface area in square cm?
Ren paints the whole outside of a wooden block: 7 cm by 4 cm by 3 cm. It becomes bright blue. How much area does the paint cover, in square cm?
Zee wants to know how much a storage box holds. It is 9 in by 5 in by 4 in. Plenty of room. What is its volume in cubic inches?
Esme's toy block is a cube with edges of 3 cm. Esme makes every edge 2 times as long. It is a bigger block now. What is its new surface area in square cm?
Luz's storage box is 9 in long, 6 in wide and 4 in tall. Luz makes the height half as tall. A bit squat. What is its new surface area in square inches?
Milo's gift box is 10 in long, 4 in wide and 8 in tall. Milo makes the height half as tall. A flat gift. What is its new surface area in square inches?
Noah's lunch box is 6 cm long, 5 cm wide and 8 cm tall. Noah makes the height half as tall. Snacks squashed. What is its new surface area in square cm?