Provided by Lawrence Hall of Science at the University of California-Berkeley, the goal of the GEMS Web site is to provide hours of family fun while developing inquiry skills and building positive attitudes toward science and learning. Although a majority of the products and activates on the site must be ordered, several are provided free of charge on the GEMS Teacher's Guides: Online Activities...

It is at times very difficult to get children excited about math, but Math Cats (designed by Wendy Patti, a teacher) is an online archive of fun and informative activities that will help young people learn about a number of math topics, including geometry, arithmetic, and other topics. As one might expect, much of this is achieved by a number of virtual cats who explain various features of the...

The Math Projects Journal (MPJ) is "dedicated to improving mathematics education by empowering teachers with lessons and ideas" based on "four and a half" principles which are described on the website. This website offers a selection of free lesson plans and articles on pre-algebra, algebra, and geometry. A 300-page spiral bound book of lessons and articles published in the first five years of MPJ...

Educational technologies continue to press onwards and upwards, and screencasts would seem to be one of the latest trends in this area. Screencasts basically combine narration with on-screen writing in order to demonstrate various procedures, principles, and processes. This website brings together a number of screencasts designed to teach various mathematical endeavors, and it will be quite...

Everything (mathematics) is illuminated in this excellent thirteen-part series created by Annenberg Media for adult learners and high school teachers. As their website notes, the series "explores major themes in the field of mathematics, from humankind's earliest study of prime numbers, to the cutting-edge mathematics used to reveal the shape of the universe." First-time visitors can read a brief...

With a focus on a wide range of students and learning abilities, MathVids provides access to hundreds of instructional videos that relate basic, intermediate, and advanced mathematical concepts. The site contains a number of sample videos, though visitors will need to complete a free registration form to view all of the materials on the site. On the left hand side of the site, visitors will find...

This outstanding collection of online mathematical utilities allows users to perform fairly complex computations based upon calculus, linear algebra, quadratic programming, and trigonometry. Each utility is presented its own Webpage, which includes a brief description of the purpose of the utility and instructions about how to use it. An interesting discussion about computer precision is also...

You know you're in for a real treat when a lecture starts off with "I just happen to have with me today this bucket filled with soap solution, water, and some glycerin." That happens to be the opening line from a talk given by Professor Michael Dorff at the Mathematical Association of America (MAA). Dorff's talk was quite hands-on and it included a number of skeletal Zometool creations and...

Over twenty Java applets from Rice University are presented on this site. The applets cover most of the major points taught in an introductory statistics course. One quality that makes this site stand out from others is the excellent background information presented with many applets, which lets users read about a concept and see it visually at the same time. Topics include applications of the...

Many people find doing origami relaxing, and others find it can be even a fine group activity to while away many pleasant hours. This particular website offers up some ways to use origami to teach mathematical thinking. Created by Daniel Meyer, Jeanine Meyer, and Aviva Meyer, this site includes a background essay on this art, a set of teaching strategies for incorporating origami into the...