Unions, intersections, and differences: This can all be quite confusing to students trying to enter the potentially tricky world of Venn Diagrams. Fortunately, Alfredo Jiminez of Pennsylvania State University, Hazleton has created this handy Flash-enabled teaching application designed to provide students with an engaging way to learn about this subject. The project is party of the Digital...

Differential Geometry and Geometric Structures is one of six research units which comprise the Institute of Discrete Mathematics and Geometry of the Vienna University of Technology. From this website, visitors can read about members and their research activities and download select publications (in German and English). They have also developed some software, which is in German, for use in geometry...

This "web museum" devoted to vintage calculators shows "the evolution from mechanical calculator to hand held electronic calculator." Some items featured include: Mechanical and early electronic desk calculators, "strange hand-held calculators," and articles, photographs, and databases from the archives of the International Association of Calculator Collectors. A history of the technology and...

Visual Fractions is "a tutorial that offers instruction and practice in identifying, renaming, and operating on fractions" and was created by Richard E. Rand. The website reviews examples of fractions, which are modeled with number lines or circles. Throughout the website are instructions to follow, encouraging students to try a few activities on their own. For a more light-hearted approach, Rand...

Perhaps readers have heard someone struggling with a math problem and grumbling, "When will I ever use this?" Perhaps, readers have said this themselves. We Use Math provides an answer (several answers, in fact). The site is a resource for mathematics educators and learners, and the content focuses on highlighting "careers in math" and "careers using math." A quick browse of either section makes...

Web Interface for Statistics Education (WISE) is a project out of the School of Behavioral and Organizational Sciences at Claremont Graduate University, which "aims to develop an on-line teaching tool to take advantage of the unique hypertextual and presentational benefits of the World Wide Web (WWW)." The tool is intended to serve as a supplement to traditional teaching materials and to assist...

The What Works Clearninghouse was established by the U.S. Department of Education's Institute of Education Sciences "to provide educators, policy-makers, researchers, and the public with a central and trusted source of scientific evidence of what works in education." The What Works Clearinghouse (WWC) has posted the results from its review of “interventions based on a curriculum, which contain...

For mathematics instructors and tutors, math educator Mary Bourassa has created this collection of "thought-provoking puzzles for math teachers and students alike." Each of these puzzles presents learners with four items and asks students to identify and explain which item is the odd one out. However, these puzzles feature one notable twist on the "Which One Doesn't Belong" puzzle: every single...

Do you ever find yourself wondering "Hey, who's that mathematician?" Well, wonder no more as this collection from the Mathematical Association of America (MAA) can provide answers to such a query. Noted mathematician Paul R. Halmos snapped hundreds of photographs of mathematicians he met around the world. Recently, these photos were digitized by the Archives of American Mathematics and they are...

This interactive article from the Why Files reports on a recent study by Daniela O'Neill, professor of psychology at the University of Waterloo in Ontario, which examined the relationship between language ability and skills in mathematics. The author discusses the findings and points to some interesting directions for further investigation. In particular, "the study suggested that certain...