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Math Open Reference
Math Open Reference: Cube
Explore this 3D cube. Use the 'explode' slider to separate the faces.
Other
West Contra Costa Usd: Volume: A Foundation in Unit Cubes [Pdf]
A very detailed lesson on determining the volume of rectangular prisms, teaching students how to derive the formula for volume, and to use it successfully. Plenty of examples, student work, and assessment options.
Math Open Reference
Math Open Reference: Root (Of a Number)
Learn how to find the root of a number. Topics covered include two roots, roots of negative numbers, and imaginary numbers. This site offers descriptions along with multiple examples.
Quia
Ixl Learning: Volume of Rectangular Prisms
Brush up on your math skills relating to the volume of rectangular prisms then try some practice problems to test your understanding.