Lesson Plan
PBS

Pbs: Mathline: Let's Face It [Pdf]

For Teachers 5th - 8th Standards
Check out this math project about polyhedra! Students will enjoy the hands-on activity while they learn about tetrahedrons, hexahedrons, octahedrons, dodecahedrons, and icosahedrons. [Requires Adobe Reader.]
Activity
University of Cambridge

University of Cambridge: Nrich: Cubes Within Cubes

For Students 3rd - 4th
On this one page website sharpen your logic, geometry, spatial thinking, and problem solving skills while working on this challenge. The solution is available to double check your solution.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Visualizing

For Students 3rd - 8th
Is seeing believing? Explore visualizing and spatial reasoning with three dimensional shapes in this challenge from the NCTM Math Challenge for Families collection. Discover why visualization is essential skill in real world situations.
Activity
University of Cambridge

University of Cambridge: Nrich: Building With Solid Shapes

For Students 1st - 2nd Standards
Predict which solid shape constructions would be unstable as shown at this one page website. Solutions are available right at the website.
Activity
University of Cambridge

University of Cambridge: Nrich: Octa Space

For Students 3rd - 4th Standards
At this one page web site see if you can solve this puzzle involving the edges of an octahedron. You will definitely need to use your problem solving and spatial reasoning skills for this!