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Radford University
Fun with Solids
Geometry is all around us—if we're only willing to look. The final three activities of the Fun with Solids unit continue work on surface area and volume. For lesson three, scholars investigate the formulas for spheres and solve a problem...
New York City Department of Education
Designing Euclid’s Playground
Create a geometric playground. Pupils work through a performance task to demonstrate their ability to use geometric concepts to solve everyday problems. The accompanying engineering design lessons show teachers how the assessment works...
Texas Education Agency
Texas Gateway: Determining the Surface Area and Volume of Spheres
Given a problem involving spheres, the student will find the surface area and volume.
Texas Education Agency
Texas Gateway: Determining the Surface Area and Volume of Composite Figures
Given a problem involving composite figures made from prisms, pyramids, spheres, cones, and/or cylinders, the student will find the surface area and volume of the composite figure.
Wolfram Research
Wolfram Math World: Sphere
This webpage thoroughly discusses the math of spheres. Includes the equation for a sphere in Cartesian and spherical coordinates as well as parametrically. Surface Area, volume, and curvature are addressed at this extensive site.
CK-12 Foundation
Ck 12: Geometry: Spheres
[Free Registration/Login may be required to access all resource tools.] Find a sphere's volume and surface area.
CK-12 Foundation
Ck 12: Geometry: Spheres
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to calculate the volume and surface area of a sphere.
Math Is Fun
Math Is Fun: Sphere
Students learn about a sphere. The resource consists of facts, formulas, images, and definitions. An animation demonstrates how the sphere can contain the greatest volume for a fixed surface area.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Sphere Formulas
This site from the Math Forum provides the formulas for finding the area and volume of a sphere.
Wolfram Research
Wolfram Math World: Hemisphere
MathWorld gives a simple and complex definition of a hemisphere. The formula for the volume of a hemisphere is also given.