@internet4classr I4C

## Describe and identify the five regular (Platonic) solids and their properties with respect to faces, shapes of faces, edges, and vertices. 0506.4.4

1. 3-D Shapes - Flash animation about prisms and other 3-D shapes [This expired link is available through the Wayback Machine Internet Archive.]
2. 12 Sided Calendar - calendar on a regular dodecahedron in .pdf format
3. Calendars - several 3-D shapes available
4. Make a Tetrahedron from a Small Envelope - from Enchanted Learning
5. Make Paper Models of the Platonic Solids - Enchanted Learning index page for the solids
6. Nets and Surface Area - [20 page worksheet] some of the exercises are a bit advanced for fifth grade, but this document contains some good tips on making 2-D representations of 3-D shapes [This expired link is available through the Wayback Machine Internet Archive.]
7. Platonic Solid - Wikipedia article with good illustrations of the five Platonic solids; tetrahedron, cube or hexahedron, octahedron, dodecahedron, and icosahedron
8. Platonic Solid - this Wolfram MathWorld page includes a 2D illustration of what the solids would look like if flattened out
9. Platonic Solids - regular polyhedra (a Greek word meaning many faces.)
10. Platonic Solids - This MathIsFun page includes printable nets for each of the five solids as well as an interactive page that allows your student to rotate the solid &
11. Platonic Solids - description of what makes them special, links to five 3-D shapes to print, and an interactive box that allows students to investigate the platonic solids
12. Platonic Solids - slowly rotating frames of the five Platonic solids along with their definition [This expired link is available through the Wayback Machine Internet Archive.]
13. Platonic Solids - lesson from Regents Exam Prep Center showing rotating frames of the solids [This expired link is available through the Wayback Machine Internet Archive.]
14. The Platonic Solids - This University of Utah page allows students to spin each of the solids in separate windows for java applets
15. Polyhedrons - definition and a large number of examples from Math is Fun
16. Prisms with Examples - explanation, several good examples and six questions at the bottom of the page to check for student understanding
17. Solids Nets and Cross Sections - [18 page worksheet] pages 3 and 4 are specific to how to draw a prism, this document also includes a good description of nets

 site for teachers | PowerPoint show | Acrobat document | Word document | whiteboard resource | sound | video format | interactive lesson | a quiz | lesson plan | to print

Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles.