Abacus: The Art of Calculating with Beads
This fascinating site about the abacus earned a Scientific American Sci/Tech Web Award in 2003. It includes an interactive tutor, an extensive abacus history, a group of frequently asked questions, and a list of alternate abacus resources.
Luis Fernandes, Ryerson Polytechnic University
• Lesson Plans • Pictures and/or Illustrations
• High School Middle School Elementary School
Laura Bergman
