--- title: Seventh Graders Build a Dodecahedron! description: Seventh Graders Build a Dodecahedron! image: https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/Screen-Shot-2013-04-23-at-12_15_34-PM-1-1.png --- [![Silicon Valley International School](https://blog.siliconvalleyinternational.org/hubfs/Logos/INTL_Logo_RGB_2024.png)](https://www.siliconvalleyinternational.org/) ![](https://blog.siliconvalleyinternational.org/hubfs/search.png) [![](https://blog.siliconvalleyinternational.org/hubfs/hamb.png)](https://blog.siliconvalleyinternational.org/2013/04/23/dodecahedron-by-7th-graders-math-in-french#sidr-main) - [admissionstour and variable tuition](https://www.siliconvalleyinternational.org/admissions) - [early yearspreschool and pre k](https://www.siliconvalleyinternational.org/page/education/early-years) - [elementary school kindergarten–5th grade](https://www.siliconvalleyinternational.org/page/education/elementary) - [middle school 6–8th grade](https://www.siliconvalleyinternational.org/page/education/middle-school) - [high school9–12th grade](https://www.siliconvalleyinternational.org/page/education/high-school) **Locations** [Palo Alto and Menlo Park, CA](https://www.siliconvalleyinternational.org/about/contact-us) **Email** [admissions@svintl.org](mailto:%20admissions@svintl.org) **Social** - [![facebook](https://dto-sf-media.myschoolcdn.com/ftpimages/403/link/large_link2417421_134652.png)](http://www.facebook.com/svintlschool) - [![Instagram](https://dto-sf-media.myschoolcdn.com/ftpimages/403/link/large_link2417426_134654.png)](http://www.instagram.com/svintlschool) - [![Twitter](https://dto-sf-media.myschoolcdn.com/ftpimages/403/link/large_link2417432_134655.png)](http://www.twitter.com/svintlschool) - [![LinkedIn](https://dto-sf-media.myschoolcdn.com/ftpimages/403/link/large_link2417433_134656.png)](https://www.linkedin.com/company/svintlschool) - [![YouTube](https://dto-sf-media.myschoolcdn.com/ftpimages/403/link/large_link2417434_134657.png)](https://www.youtube.com/user/istpnet) # Seventh Graders Build a Dodecahedron! [Middle School](https://blog.siliconvalleyinternational.org/tag/middle-school) [STEM](https://blog.siliconvalleyinternational.org/tag/stem) [blog home](https://blog.siliconvalleyinternational.org) Middle School [All Categories](https://blog.siliconvalleyinternational.org) [culture](https://blog.siliconvalleyinternational.org/tag/culture) [STEM](https://blog.siliconvalleyinternational.org/tag/stem) [social emotional learning](https://blog.siliconvalleyinternational.org/tag/social-emotional-learning) [community](https://blog.siliconvalleyinternational.org/tag/community) [inquiry learning](https://blog.siliconvalleyinternational.org/tag/inquiry-learning) [Achievement](https://blog.siliconvalleyinternational.org/tag/achievement) [Bilingualism](https://blog.siliconvalleyinternational.org/tag/bilingualism) ![Seventh Graders Build a Dodecahedron!](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/Screen-Shot-2013-04-23-at-12_15_34-PM-1-1.png) share: [![istp-linkedin-logo](https://blog.siliconvalleyinternational.org/hs-fs/hubfs/sv_pdd_email/linkedin-in.png?width=48&upscale=true&name=linkedin-in.png)](https://www.linkedin.com/shareArticle?mini=true&url=https://blog.siliconvalleyinternational.org/2013/04/23/dodecahedron-by-7th-graders-math-in-french) [![istp-instagram-logo](https://blog.siliconvalleyinternational.org/hs-fs/hubfs/sv_pdd_email/instagram.png?width=48&upscale=true&name=instagram.png)](https://www.instagram.com/?url=https://blog.siliconvalleyinternational.org/2013/04/23/dodecahedron-by-7th-graders-math-in-french) [![istp-facebook-logo](https://blog.siliconvalleyinternational.org/hs-fs/hubfs/sv_pdd_email/facebook.png?width=48&upscale=true&name=facebook.png)](https://www.facebook.com/sharer/sharer.php?u=https://blog.siliconvalleyinternational.org/2013/04/23/dodecahedron-by-7th-graders-math-in-french) Just before Spring Break, the 7th grade French math students worked together to build a huge 3-D dodecahedron. A dodecahedron is a convex, regular polyhedron with 12 pentagonal faces. [![Screen Shot 2013-04-23 at 12.15.34 PM](https://blog.siliconvalleyinternational.org/hs-fs/hubfs/Miscellaneous/Imported_Blog_Media/Screen-Shot-2013-04-23-at-12_15_34-PM-1-1.png?width=298&height=204&name=Screen-Shot-2013-04-23-at-12_15_34-PM-1-1.png)](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/Screen-Shot-2013-04-23-at-12_15_34-PM-1-1.png) First, students had to figure out how to draw the largest possible pentagonal faces on the cardboard we were using as our building material. Then, they cut out the pentagons, and began the complex process of assembling them into the dodecahedron. [![IMG_0685](https://blog.siliconvalleyinternational.org/hs-fs/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0685-300x224-1.jpg?width=300&height=224&name=IMG_0685-300x224-1.jpg)](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0685-1-1.jpg)[![IMG_0682](https://blog.siliconvalleyinternational.org/hs-fs/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0682-300x224-1.jpg?width=300&height=224&name=IMG_0682-300x224-1.jpg)](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0682-2.jpg)[![IMG_0680](https://blog.siliconvalleyinternational.org/hs-fs/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0680-300x224-1.jpg?width=300&height=224&name=IMG_0680-300x224-1.jpg)](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0680-2.jpg)[![IMG_0683](https://blog.siliconvalleyinternational.org/hs-fs/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0683-300x224-1.jpg?width=300&height=224&name=IMG_0683-300x224-1.jpg)](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0683-1-1.jpg)[![IMG_0689](https://blog.siliconvalleyinternational.org/hs-fs/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0689-300x224-1.jpg?width=300&height=224&name=IMG_0689-300x224-1.jpg)](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0689-1-1.jpg)By working together, the students were able to create the large 3-D dodecahedron you see here, complete with decorations on each side. *[![IMG_0691](https://blog.siliconvalleyinternational.org/hs-fs/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0691-300x224-1.jpg?width=300&height=224&name=IMG_0691-300x224-1.jpg)](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0691-1-1.jpg)* Great job 7th 1 ! *[![IMG_0692](https://blog.siliconvalleyinternational.org/hs-fs/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0692-300x224-1.jpg?width=300&height=224&name=IMG_0692-300x224-1.jpg)](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/IMG_0692-1-1.jpg)* *\*In 2020, the International School of the Peninsula (ISTP) formally changed its name to Silicon Valley International School (INTL) to better reflect its bilingual programs, location, and international values.* related posts [![recent-blog-post-image](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/BD-Rosie-001-1-1.jpg)](https://blog.siliconvalleyinternational.org/2013/02/19/7th-grade-english-comic-book-project-where-does-our-food-really-come-from) [Middle School](https://blog.siliconvalleyinternational.org/tag/middle-school) [Social Emotional Learning](https://blog.siliconvalleyinternational.org/tag/social-emotional-learning) ##### [7th Grade English Comic Book Project: Where Does Our Food Really Come From?](https://blog.siliconvalleyinternational.org/2013/02/19/7th-grade-english-comic-book-project-where-does-our-food-really-come-from) [![recent-blog-post-image](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/DSC_00552-620x416-1.jpg)](https://blog.siliconvalleyinternational.org/2013/05/06/istp-6th-graders-sweep-ccte-writing-competition) [Middle School](https://blog.siliconvalleyinternational.org/tag/middle-school) [Achievement](https://blog.siliconvalleyinternational.org/tag/achievement) ##### [INTL 6th Graders Sweep CCTE Writing Competition](https://blog.siliconvalleyinternational.org/2013/05/06/istp-6th-graders-sweep-ccte-writing-competition) [![recent-blog-post-image](https://blog.siliconvalleyinternational.org/hubfs/Miscellaneous/Imported_Blog_Media/triangle-300x201-1.png)](https://blog.siliconvalleyinternational.org/2017/03/22/guest-blogger-thales-theorem-8th-grader-klavie-g) [Middle School](https://blog.siliconvalleyinternational.org/tag/middle-school) [STEM](https://blog.siliconvalleyinternational.org/tag/stem) ##### [Guest Blogger: The Thales Theorem, by 8th Grader Klavie G.](https://blog.siliconvalleyinternational.org/2017/03/22/guest-blogger-thales-theorem-8th-grader-klavie-g) ### Silicon Valley International School #### The premier bilingual International Baccalaureate school in the West Coast. 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