The abacus has been around for several thousand years, and it is an efficient and interesting counting machine. The standard abacus can be used to perform addition, subtraction, division, and multiplication, along with its use in extracting square roots and cubic roots. This site was created by Luis Fernandes, and it explores the wide world of the abacus through illustrations, thoughtful essays,...

The Mathematical Association of America has teamed up the National Science Foundation to create an online collection of digital classroom resources. One of their more recent creations is this multimedia feature that teaches students about Napier's Bones. Created by Michael Caulfield and Wayne Anderson of Gannon University, this feature will introduce students to the work of John Napier, a 16th...

To some the word Illuminations may bring to mind Walter Benjamin’s classic work, and still others may imagine those manuscripts that were a product of the medieval intellect and imagination. In this case, the illuminations in question are a set of mathematical teaching and learning tools designed by the National Council of Teachers of Mathematics. Their website was redesigned in early 2006, and is...

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 creator of this site is one Gisele Glosser, who happens to be the "Mrs. Glosser" referenced throughout the site. She is also an experienced math teacher who has worked in New York and New Jersey. In an effort to assist her fellow educators, she has created this delightful collection of math lessons. Visitors will want to look over the lessons, which are listed in full here. While some of the...

Developed by Peter C. Esser and John W. Pluemer of the Math and Science Center at Southwest Wisconsin Technical College, this site brings together a veritable cornucopia of resources related to learning about applied math, occupational math, elementary algebra, technical science, and the fundamentals of chemistry. First-time visitors will want to start by looking at the "Resources" section. Here...

The Mathematical Association of America (MAA) Journal Writing Awards honor the best mathematical writing from their various journals, and they also serve as a repository of great instructional resources for mathematics educators. The awards here include The Carl B. Allendoerfer Awards, the Trevor Evans Awards, and The Lester R. Ford Awards. Visitors can browse through all of the past winners, or...

Located at the University of Illinois at Urbana-Champaign, The Office for Mathematics, Science, and Technology Education is primarily interested in creating resources for educators working on these topics. First-time visitors should definitely start by looking through the "Resources" area, as they will find classroom tested exercises that cover basic topics in algebra, trigonometry, and a number...

This website is an excellent resource for math teachers teaching any age and level of students. The National Council of Teachers of Mathematics (NCTM), "support[s] teachers to ensure equitable mathematics learning of the highest quality for all students through vision, leadership, professional development and research." Visitors interested in making math fun will certainly want to read the lead...

PBS has developed a number of websites for educators, and their PBS Teachers site has received a number of accolades and high praise from diverse quarters. First-time visitors to the site may wish to first use the drop-down menus here to select a grade range and a topic that interests them. After doing so, a set of relevant materials will be offered to them, organized by topic and intended grade...