The interactive map displays the time zones of the world. An explanation of why the world is divided into different time zones is provided.

A basic, illustrated description of the math system developed by the Mayans. Includes a paragraph comparing the Mayan system favorably with the Roman numeral system of the same time.

telling time

An excellent compilation of activities that engage parents and children in math explorations at home. Detailed lessons covering a wide range of math topics such as fractions, measurements, money, data collection, and math in newspapers....

Contains an animation that will show you how the graphs of a number of polar equations are graphed. (Page may take some time to load completely.)

Learn simple ways on how to do your nine times table or eleven with the help of this downloadable mathematics worksheet.