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.
Ari's toy crate has no lid. It is 12 in long, 8 in wide and 4 in tall. Toys are waiting. How much paper covers its outside, in square inches?
Esme's storage box is 8 cm long, 6 cm wide and 3 cm tall. A label wraps around the four sides only. The label is shiny. 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?
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Sketch, not to scale. A pyramid whose base is a right triangle with legs 6 cm and 8 cm and long side 10 cm. The tip is 2 cm straight up from the right-angle corner. Its three side faces are triangles: base 6 and height 2; base 8 and height 2; base 10 and height 5.2 (along the face).
Luz's pyramid tent is a triangular pyramid with a right-triangle base: legs 6 and 8 cm. The tip is 2 cm high. A flag waves. What is its surface area in square cm?
Pia paints the whole outside of a gift box: 12 in by 8 in by 5 in. It will look great. How much area does the paint cover, in square inches?
Ari wants to know how much a gift box holds. It is 6 in by 5 in by 2.5 in. It is a big gift. What is its volume in cubic inches?
Bo wants to know how much a lunch box holds. It is 8 in by 4 in by 6 in. It is very roomy. What is its volume in cubic inches?
Jun's toy block is a cube with edges of 5 in. Jun makes every edge 2 times as long. It is a giant now. 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?