An Icosahedron is a 3D Shape with 20 Sides!
Materials
- 20 small plates
- stapler
- crayons/markers (optional)
Directions
- Students could color or decorate the plates, if desired.
- Next, fold each plate into a triangle.
- Staple 2 plates together. Use 3 staples.
- Attach 3 more plates and form a pentagon.
- Repeat the last 2 steps with 5 more plates to make another pentagon.
- Staple the 10 remaining plates together into a long chain.
- Staple the ends of the chain together to form a circle.
- Staple one pentagon to the top of the circle and the other pentagon to the bottom of the circle.
You can now display your 3D figure on a table or hang it from the ceiling.
Math Facts
An icosahedron has:
- 20 triangular faces (sides)
- 12 vertices (corners)
- 30 edges
Here is a cool video of an icosahedron.
Have fun with geometry!
What a great idea! I'm going to go ahead and pin it onto my Math board.
ReplyDeleteLooks like a lot of fun to do. I can't wait to try it.
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Miss Moe~ Thank you! I added a video I found online to the post!
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Marcia :)
Great tutorial. Thanks for posting at Math Monday!
ReplyDeleteCindy @ love2learn2day
My pleasure, Cindy! :)
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ReplyDeleteThis helped me so much for my class project, thanks!
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