An abacus is a great way to make abstract math concepts more concrete.
This site includes a software-based tutorial to illustrate the basic
use of an abacus. The tutorial presents a brief introduction, and
illustrates with graphics, text and animation how to represent numbers
and how to
add with an abacus. A practice area is available after the instruction
to practice the concepts presented.
You have a few choices to run this tutorial.
- Run the online tutorial
- Run the online abacus simulator
- Download Mac
or Windows versions of the software.
Detailed information about using the tutorial can be found at
this page.
