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The Golf of Mexico - Related Web Sites

ACTIVITY C

Geometric figures

National Library of Virtual Manipulatives - Pentominoes
The shapes in this manipulative handily lend themselves to exploring many aspects of geometry, including congruent figures.

Annenberg Foundation's Shape and Space in Geometry
Plenty of activities for students to practice concepts of geometry-along with top-flight teacher resources-made this site a pick of the Eisenhower National Clearinghouse (ENC).

Native American Geometry
The connection between geometry and culture provides the background for this site, an examination of geometry on its own terms, according to the author.

Measurement

National Library of Virtual Manipulatives - Converting Units
This interactive can help users solve or create unit conversion problems involving time, length, are, volume, or weight.

How Many?
(Russ Rowlett, Director, Center for Mathematics and Science Education, University of North Carolina at Chapel Hill)
A dictionary of units measurement, this site can also help users convert from customary to metric, as well as look at other measures, including the stimp rating for golf greens.

National Library of Virtual Manipulatives - Fill and Pour
This manipulative allows users to experiment in finding a set amount of fluid using only two containers. This version of an all-time favorite puzzle helps users think about relationships and measurement. A special feature provides teachers and students with explanations and suggestions for use.

Tessellations

Totally Tessellated - An Introduction to Tessellations
Created by three high school students, this site won first place in the 1998 ThinkQuest Internet Competition. It offers background on the historical and cultural use of this kind of recurring pattern, as well as easy-to-understand explanations of what these patterns involve and why they work mathematically.

The Math Forum at Drexel - Tessellation Tutorial
A complete offering on the subject for teachers and students, this site offers information, examples, links to other web sites, lesson plans, and an all-important discussion of the mathematics behind these patterns.

The Shodor Educational Foundation's Tessellate!
This manipulative allows users to tessellate and change colors for triangles, hexagons, and squares. Editing the edges of the standard figures gives some interesting results when they are tessellated.

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