Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Spheres
Get independent practice working with spheres. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
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.
Texas Instruments
Texas Instruments: What Goes Around Comes Around but Can You Measure It?
In this activity, students find the area and the perimeter for several geometric shapes. They also determine the surface area and volume of spheres.
Cool Math
Coolmath: Precalculus Basic Formulas to Know
This CoolMath resource provides an introduction to some Precalculus formulas.
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.
Texas Instruments
Texas Instruments: Stuff It!
In this activity, students learn to calculate volume of a sphere and a rectangular prism. They explore methods of determining how many volleyballs can be placed in a room.
Khan Academy
Khan Academy: Solid Geometry Word Problems
In this exercise, students practice volume word problems with cones, cylinders, and spheres. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Formulas
This tutorial will show you how using formulas can help you solve problems. Include formulas for various geometric shapes and steps showing how to use them.
Calculator Soup
Calculator Soup: Volume Calculator
Use this online calculator to calculate the volume of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, and spherical cap.
Khan Academy
Khan Academy: Cell Size
Test your knowledge on how to calculate cell size with this quiz.
University of Georgia
University of Georgia: Inter Math: Hemisphere
This InterMath site gives a decription of a hemisphere along with a visual representation. Be sure to use the links to related terms, everyday examples, challenging problems, more information, and the interactive checkpoint involving...
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.