Areas, Volumes, Surface Areas
Use these simple illustrated formulas to calculate volume and surface area of various shapes. |
Brain Teasers: Geometry Puzzles
Slice and complete various figures to form requested shapes. |
Cynthia Lanius' Lessons: Geometry Online
Have fun learning through activities about polygons, triangles, circles, and the volume of cylinders. Page includes an historic timeline, SAT type quiz, and glossary of terms. |
Figures and Polygons
Shows different types of straight-sided shapes with up to ten sides. Gives the total number of degrees for each side. |
Fugues of the Well-Tempered Clavier
Interactive Director movie comparing a fugue by Johann Sebastian Bach to a Möbius strip. |
Geometria
A program for computing lines, surfaces and volumes of the main plane and solid figures, through direct and indirect formulas. Includes multiple languages. |
Geometry
Games, illustrations, and definitions. |
Geometry
Explains and describes geometric terms, measurement of angles, types of figures, coordinate graphs, areas and volumes. |
Geometry from the Land of the Incas
Presents problems involving circles and triangles, with proofs, SAT practice quizzes and famous quotes. Also, has examples of geometry in Peruvian culture. |
Introduction to the Works of Euclid
Covers the life of Euclid and a discussion of Euclidean geometry. |
Point Out the View
Use visualization to determine how four different people see a set of 3-D blocks. From PBS Kids. |
Spaceship Builder
Use a virtual geoboard to help Dr. Marbles design a new fleet of cyberspace ships. From PBS Kids. |
Tangrams
Choose a puzzle, then click and drag virtual tangram pieces to solve it. From PBS. |
Teen Math Whizzes Go Euclid One Better
Features a discussion about the works of two teenagers, David Goldenheim and Daniel Litchfieldm, from Connecticut. They helped find a solution that eluded Euclid in finding a method to partition a line into any number of equal sections. |
The Everlasting Pi
The history, uses,and creator of pi and also some fun facts, jokes and songs. |
The Pythagorean Theorem Lesson
A lesson on the pythagorean theorem with the objective that the you will discover for yourself the actual theorem. |
Tim's Triangular Page
Learn about the basic properties, formulas, theorems and different types of triangles. Includes proofs and illustrations. |
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