This online calculator will calculate the various properties of a cylinder given 2 known values. It will also calculate those properties in terms of PI.

Determine the area, diameter, and circumerfence of a bubble residue by creating a soap solution and blowing bubbles.

Introduces how to set up and solve simple geometric-figure word problems. Includes advice regarding formulas to memorize.

This online calculator will calculate the various properties of a right circular cone given any 2 known variables.

Use this calculator to calculate physical values related to the shape of a stadium.

This lesson allows students to discover the number Pi. By measuring real life objects, students will get to see where the number Pi comes from as well as how the circumference formula is derived.This lesson plan was created as a result...

Do you need practice remembering or learning different geometry vocabulary words and definitions? This word search is the web site for you! There is a link to a list of terms with definitions you can click if you want to see if you are...

Four different games are featured to practice geometry terms.

Use the fact that opposite angles in an inscribed quadrilateral are supplementary to solve a few problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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.

Online calculator to calculate the surface area of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, spherical cap, and triangular prism

This online calculator will calculate the various properties of a conical frustum given the 2 radii and any 1 other known variable.

This site provides definitions of different types of polygons and figures.

Archaeologists have just uncovered an ancient plate. They need your help to determine the original size of the plate. Try this challenge where you use concepts of symmetry and estimation to uncover the solution. An activity from the NCTM...

Straightforward lesson that introduces students to pi by letting them measure real objects and solve a challenge problem. Includes instructions and a "Data Sheet" for keeping track of measurements. Available in English and Spanish.