Countdown Challenge: Platonic Solids - Part II
In this platonic solid worksheet, students observe five solids and draw a net of each three-dimensional figure. Students examine a tetrahedron, an octahedron, an icosahedron, a cube, and a dodecahedron. This is a one-page worksheet.
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Countdown Challenge: Platonic Solids - Part I
Use a Platonic solids worksheet to record the number of faces, edges, and vertices of five polyhedra whose faces, edges, and vertices are all identical. For each figure, learners write a proof of Euler's formula (F+V=E+2). They create a...
7th - 8th Math
Homeschool Learning Network: Surface Area and Volume II
An instructional page introduces how to find the volume of a wedge, that is, a right triangular prism. It also describes the process for calculating the volume for compound solids. Three practice problems are included, as well as a...
7th - 12th Math CCSS: Adaptable