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University of Cambridge
University of Cambridge: Nrich: Up and Down Stairs
Work with this cube problem and see if you can find a pattern. Then you can check your solution with solutions already submitted.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Drawing Three Dimensional Figures
Get independent practice drawing three-dimensional figures. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Math Is Fun
Math Is Fun: Making 3 D Solids
This tutorial features templates and instructions to make the following solids: tetrahedron, cube, octahedron, dodecahedron, and icosahedron.