This website gives instruction on how to find the volume of a triangular prism and allows student to practice.
AAA Math

A helpful scientific calculator that runs in your web browser window.
Holt Online Learning

This page goes over the surface area and volume formulas for 3D shapes and is interactive.
Interactives: Geometry 3D Shapes

Comprehensive list of formulas for finding the area, volume and surface area of various shapes.
Math2

This geometry help reference sheet contains the circumference and area formulas for the following shapes: square, rectangle, circle, triangle, parallelogram, and trapezoid. It also includes the area of a circular ring as well as the area and segment length of a circular sector. This reference sheet contains formulas for area and volume of rectangular box, cube, and cylinder. This math help sheet also includes the area, side length, and volume of a right circular cone, as well as the volume of a frustum of a cone.
eCalc.com

Find the surface area and volume of each rectangular prism. Answers are included along with the set up.
MathDrills.com

Gives a very good model that explains what volume is and how it is calculated with prisms. It also includes regular and irregular prisms.
Maths Teacher

This page will help you calculate things about a sphere. Such as radius, diameter, surface area and volume.
WebMath

This page will show you how to calculate various things related to cylinders. Such as radius, height, surface area, and volume.
WebMath

Web site contains a list of all important (most used) geometric figures and formulas for their area and volume.
Geometric Formulas
