Volume of a Sphere Worksheet
Calculate the volume of spheres using the formula V = (4/3)πr³ for grade 7 math students.
Includes
Standards
Topics
Volume of a Sphere
Name:
Date:
Score:
Read each question carefully and calculate the volume of each sphere. Use the formula V = (4/3)πr³, where π ≈ 3.14. Round your answers to two decimal places.
1. Find the volume of a sphere with a radius of 3 cm.
2. A sphere has a diameter of 10 meters. What is its volume?
3. The formula for the volume of a sphere is V = .
4. If the radius of a sphere is doubled, its volume will increase by a factor of .
5. Which of the following is the approximate volume of a sphere with a radius of 6 cm?
452.16 cm³
904.32 cm³
226.08 cm³
113.04 cm³
6. The volume of a sphere is directly proportional to its radius.
True
False
7. A spherical balloon has a radius of 9 cm. If it is inflated until its radius is 12 cm, how much did its volume increase?