Create patterns and diagrams on a triangular grid. By dragging and rotating the pattern blocks you can create different shapes and designs. This web site also tells you how to use the program to illustrate mathematical concepts, like working with fractions. (
http://arcytech.org/java/patterns/patterns_j.shtml
)
This site includes conversion tables and calculators, a math glossary, exercises, quizzes, and math-related games. To begin, select "Basic Math" as your subject, and follow the links from there to explore this huge site. (
http://www.math.com/
)
This interactive applet lets you play with pattern blocks to investigate fractions and fractional relationships. (
http://www.arcytech.org/java/patterns/patterns_j.shtml
)