Other
St. Lawrence University: Cuneiform Numbers
This site shows the numbers written in cuneiform It shows from one to fifty on this page with a link to a page with larger numbers. There are also fractions shown on this page.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Babylonian Number System
Dr. Math takes on a question about the Babylonian base-60 math system, explaining how a sexagesimal system looks and works in comparison with our decimal (base 10) system.
University of Virginia
University of Virginia: Counting in Babylon
A discussion of the number system used by the ancient Babylonians. Examples are provided for various mathematical operations based on the number 60 (our number system is based on the number ten).