active sites directory

Active Sites Directory is a free directory which covers a large variety of sites organized by category. Browse thousands of web sites that are more focused on one particular aspect of Kids and Teens, School Time, Math, Geometry with just the click of your mouse.

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Kids and Teens: School Time: Math: Algebra (15)

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Russian (30)

$http://math2.org/math/geometry/areasvols.htm$

» Areas, Volumes, Surface Areas [ Teens ] - Use these simple illustrated formulas to calculate volume and surface area of various shapes.

http://brainden.com/geometry-puzzles.htm

» Brain Teasers: Geometry Puzzles [ Teens/Mature Teens ] - Slice and complete various figures to form requested shapes.

$http://math.rice.edu/~lanius/Geom/$

» Cynthia Lanius' Lessons: Geometry Online [ Teens/Mature Teens ] - 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.

» The Everlasting Pi [ Teens/Mature Teens ] - The history, uses,and creator of pi and also some fun facts, jokes and songs.

http://www.mathleague.com/help/geometry/polygons.htm

» Figures and Polygons [ Kids/Teens/Mature Teens ] - Shows different types of straight-sided shapes with up to ten sides. Gives the total number of degrees for each side.

http://jan.ucc.nau.edu/~tas3/wtc/i10.html

» Fugues of the Well-Tempered Clavier [ Kids/Teens/Mature Teens ] - Interactive Director movie comparing a fugue by Johann Sebastian Bach to a Möbius strip.

http://www.elvenkids.com/tools/geometria/Geometria.php

» Geometria [ Teens/Mature Teens ] - A program for computing lines, surfaces and volumes of the main plane and solid figures, through direct and indirect formulas. Includes multiple languages.

http://www.mathleague.com/help/geometry/geometry.htm

» Geometry [ Kids/Teens ] - Explains and describes geometric terms, measurement of angles, types of figures, coordinate graphs, areas and volumes.

http://www.coolmath4kids.com/geometrystuff.html

» Geometry [ Teens ] - Games, illustrations, and definitions.

» Geometry from the Land of the Incas [ Teens/Mature Teens ] - 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 [ Teens/Mature Teens ] - Covers the life of Euclid and a discussion of Euclidean geometry.

» Mad Maths [ Mature Teens ] - Contains proposed mathematical theorems in a fun way.

http://pbskids.org/cyberchase/games/pointofview/pointofview.html

» Point Out the View [ Kids/Teens ] - Use visualization to determine how four different people see a set of 3-D blocks. From PBS Kids.

http://www.arcytech.org/java/pythagoras/index.html

» The Pythagorean Theorem Lesson [ Teens ] - A lesson on the pythagorean theorem with the objective that the you will discover for yourself the actual theorem.

http://pbskids.org/cyberchase/games/perimeterarea/perimeterarea.html

» Spaceship Builder [ Kids ] - Use a virtual geoboard to help Dr. Marbles design a new fleet of cyberspace ships. From PBS Kids.

http://www.viterbo.edu/academic/ug/education/edu250/kljohnson/

» Spaghetti and Meatballs For All [ Kids ] - Webquest for 3rd-8th graders comparing the perimeter and area of rectangles. Relates to the book "Spaghetti and Meatballs For All!" by Marilyn Burns.

http://pbskids.org/sagwa/games/tangrams/index.html

» Tangrams [ Kids/Teens ] - Choose a puzzle, then click and drag virtual tangram pieces to solve it. From PBS.

http://jwilson.coe.uga.edu/Texts.Folder/GLaD/GLaD.Comments.html

» Teen Math Whizzes Go Euclid One Better [ Mature Teens ] - 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.

» Tim's Triangular Page [ Teens/Mature Teens ] - Learn about the basic properties, formulas, theorems and different types of triangles. Includes proofs and illustrations.

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