Geometry Construction: Polyhedral Playthings

Description

In this activity, learners create 3D geometric shapes using straws and pipe cleaners. Learners will discover that only certain combinations of two-dimensional shapes make polyhedrons, or regular three-dimensional shapes. This lesson guide includes step-by-step instructions with photos and various methods for constructing a variety of shapes. Learners can make elaborate shapes including: stellated dodecahedron; stellated cube; and stellated tetrahedron.

11 Tags

1 Learning Standards

12. Make formal geometric constructions with a variety of tools and methods (compass and straightedge, string, reflective devices, paper folding, dynamic geometric software, etc.). Copying a segment; copying an angle; bisecting a segment; bisecting an angle; constructing perpendicular lines, including the perpendicular bisector of a line segment; and constructing a line parallel to a given line through a point not on the line.

Alignment of the Resource to this Standard

IOER Community Rating: Not Rated

26 Keywords

NSDL Conducting Investigations shapes Platonic Solid Chemistry Geometry Middle School General science 3D polyhedron Elementary School Mathematics face Technology Problem Solving vertices Plane Geometry Solid Geometry three-dimensional vertex Archimedean Solid stellation symmetry Upper Elementary Education Life Science
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