Cylinders: volume problems, including a missing radius or height

Answer Key - Grade 8 Math Worksheet

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

1. 1.

   Jun's cooking pot is 16 cm across and 9 cm tall. What is its volume in cubic cm? Use π = 3.14. Do not round.

   1808.64
2. 2.

   Luz's toy drum is 14 cm across and 6 cm tall. What is its volume in terms of π? Write it like 14π.

   294π
3. 3.

   Milo's pillar candle is 8 cm across and 15 cm tall. What is its volume in terms of π? Write it like 14π.

   240π
4. 4.

   Noah's tin is 9 cm across and 4 cm tall. What is its volume in terms of π? Write it like 14π.

   81π
5. 5.

   Tala's pillar candle holds 1004.8 cubic cm and has a radius of 4 cm. How tall is it, in cm? Use π = 3.14. Do not round.

   20
6. 6.

   Zee's can holds 423.9 cubic cm and is 15 cm tall. What is its radius, in cm? Use π = 3.14. Do not round.

   3
7. 7.

   Ari's jar holds 1582.56 cubic cm and is 14 cm tall. What is its radius, in cm? Use π = 3.14. Do not round.

   6
8. 8.

   Esme's toy drum holds 2512 cubic cm and is 8 cm tall. What is its radius, in cm? Use π = 3.14. Do not round.

   10
9. 9.

   Jun's cooking pot has a radius of 10 cm and a height of 20 cm. How many liters of water fit? Use π = 3.14, and 1 liter = 1000 cubic cm.

   6.28
10. 10.

    Luz's big can has a radius of 6 cm and a height of 25 cm. How many liters of water fit? Use π = 3.14, and 1 liter = 1000 cubic cm. Do not round.

    2.826