Volume of a cylinder

Answer Key - Grade 7 Math Worksheet

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

1. 1.

   Jun's jar has a radius of 6 cm and is 20 cm tall. What is its volume in cubic cm? Use π = 3.14. Do not round.

   2260.8
2. 2.

   Luz's candle has a radius of 3.5 cm and is 18 cm tall. What is its volume in cubic cm? Use π = 3.14. Do not round.

   692.37
3. 3.

   Milo's mug is 9 cm across and 10 cm tall. What is its volume in cubic cm? Use π = 3.14. Do not round.

   635.85
4. 4.

   Noah's drum is 14 inches across and 10 inches tall. It is a very loud drum. What is its volume in cubic inches? Use π = 3.14. Do not round.

   1538.6
5. 5.

   Pia's candle is 6 cm across and 20 cm tall. What is its volume in cubic cm? Use π = 3.14. Do not round.

   565.2
6. 6.

   Ren's drum is 30 cm across and 10 cm tall. What is its volume in cubic cm? Use π = 3.14. Do not round.

   7065
7. 7.

   Ari's log is 10 cm across and 40 cm long. What is its volume in terms of π? Write it like 14π.

   1000π
8. 8.

   Bo's can has a radius of 7 cm and is 9 cm tall. Which expression gives its volume in cubic cm? Use π = 3.14. Do not round.

   • 3.14 × 14 × 14 × 9
   • 3.14 × 7 × 9
   • 2 × 3.14 × 7 × 9
   • 3.14 × 7 × 7 × 9
9. 9.

   Esme's mug has a radius of 6 cm and is 11 cm tall. Which expression gives its volume in cubic cm? Use π = 3.14. Do not round.

   • 3.14 × 12 × 12 × 11
   • 3.14 × 6 × 11
   • 3.14 × 6 × 6 × 11
   • 2 × 3.14 × 6 × 11
10. 10.

    Jun's jar has a radius of 4 cm and is 13 cm tall. Which expression gives its volume in cubic cm? Use π = 3.14. Do not round.

    • 3.14 × 4 × 4 × 13
    • 2 × 3.14 × 4 × 13
    • 3.14 × 8 × 8 × 13
    • 3.14 × 4 × 13