Browse by Subject: Geometry (Science U)

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Browse by Subject: Geometry

Articles

Geometry Center: Triangle Tilings and Polyhedra: Discussion of triangle tilings and how they give rise to the 5 Platonic solids, and 11 of the 13 Archimedean solids.
Introduction to Isometries: Whenever you move something like a teapot from the cupboard to the table, you have just unwittingly performed a mathematical operation called an isometry. In this collection of 5 Minute Seminars, you can find out more about isometries, their connection to geometry, and their application to computer animation.
Introduction to Tilings: Pages on tilings, with illustrations and fun webware.
Tetrahedral Puzzles: Do you feel like breaking things apart? Explore the techniques used to decompose or dissect the solid volumes of convex polyhedra into tetrahedra.

Classroom Materials

Building an Icosahedron in the Classroom: Step-by-step instructions on how to build an icosahedron of any size as a class or at-home project.
Introduction to Tilings: Pages on tilings, with illustrations and fun webware.
Make your own Tetrapuzzle: The challenge here is to build a regular cube in at least two different ways using cut-out pieces of paper.

Facts & Figures

Geometry Formulas: A collection of geometry math formulas.
The Platonic and Archimedean Solids: Pictures and reference information about the 5 Platonic and 13 Archimedean solids

Graphics Archive

Introduction to Tilings: Pages on tilings, with illustrations and fun webware.

Activities for Home & School

Building an Icosahedron in the Classroom: Step-by-step instructions on how to build an icosahedron of any size as a class or at-home project.
Introduction to Tilings: Pages on tilings, with illustrations and fun webware.
Make your own Tetrapuzzle: The challenge here is to build a regular cube in at least two different ways using cut-out pieces of paper.

Online Interactive

: Interactive Fractal Generator --- Create your own fractal poster
Interactive Models of Platonic and Archimedean Solids: Java and VRML models of the 5 Platonic and 13 Archimedean solids
Interactive Triangle Tiling Maker: Make your own kaleidoscopic patterns and solid shapes while learning about the geometry of tilings.
Kali: Symmetry group: Make your own fun wallpaper patterns
Make-a-Fractal: Interactive Fractal Generator --- Create your own fractal poster

Software Library

Downloadable Software: Educational Shareware and Freeware related to fields of math and science available for free download.
Introduction to Tilings: Pages on tilings, with illustrations and fun webware.