Volume of prisms and pyramids

Answer Key - Grade 7 Math Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.

1. 1.

   Esme's camping tent is a prism with a volume of 108 cubic feet. Its end is a triangle: base 6 ft, height 4 ft. It is very cozy. How long is the prism in feet?

   9
2. 2.

   Jun's toy castle roof has a volume of 60 cubic cm and a base of 5 cm by 4 cm. Flag up. How tall is it in cm?

   9
3. 3.

   Noah's playhouse roof has a triangle for a base: base 9 in, height 4 in. It is 5 in tall. A chimney peeks out. What is its volume in cubic inches?

   30
4. 4.

   Pia's pyramid tent has a triangle for a base: base 8 cm, height 3 cm. It is 9 cm tall. Snacks await. What is its volume in cubic cm?

   36
5. 5.

   Ren's model house is a box 10 cm long, 6 wide and 5 tall. Its triangle roof is 4 cm high. The windows are painted on. What is its total volume in cubic cm?

   420
6. 6.

   Bo's play tent is a box 6 ft by 6 ft by 3 ft with a pyramid roof 4 ft high. The roof comes to a point. What is its total volume in cubic feet?

   156
7. 7.

   Esme's model house is a box 12 cm by 12 cm by 9 cm with a pyramid roof 8 cm high. A chimney peeks out. What is its total volume in cubic cm?

   1680
8. 8.

   Jun's storage box holds 24 cubic inches. Jun makes its height 1/2 as long. It is a bit tight now. What is its new volume in cubic inches?

   12
9. 9.

   Kira's gift box holds 36 cubic inches. Kira makes its length 1/3 as long. It is a mini gift now. What is its new volume in cubic inches?

   12
10. 10.

    Luz's lunch box holds 64 cubic inches. Luz makes its width 1/4 as long. It holds one cracker. What is its new volume in cubic inches?

    16