Unit Plan
Radford University

Fun with Solids

For Teachers 9th - 12th Standards
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...
Unit Plan
New York City Department of Education

Designing Euclid’s Playground

For Teachers 10th Standards
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...
Unit Plan
Texas Education Agency

Texas Gateway: Determining the Surface Area and Volume of Spheres

For Students 9th - 10th Standards
Given a problem involving spheres, the student will find the surface area and volume.
Unit Plan
Texas Education Agency

Texas Gateway: Determining the Surface Area and Volume of Composite Figures

For Students 9th - 10th Standards
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.
Unit Plan
Wolfram Research

Wolfram Math World: Sphere

For Students 9th - 10th
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.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Spheres

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Find a sphere's volume and surface area.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Spheres

For Students 9th - 10th
[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.
Unit Plan
Math Is Fun

Math Is Fun: Sphere

For Students 9th - 10th Standards
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.
Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Sphere Formulas

For Students 9th - 10th Standards
This site from the Math Forum provides the formulas for finding the area and volume of a sphere.
Unit Plan
Wolfram Research

Wolfram Math World: Hemisphere

For Students 9th - 10th
MathWorld gives a simple and complex definition of a hemisphere. The formula for the volume of a hemisphere is also given.