Other Great Sites for Math Projects
Click on these links:

Currency Converter

Geneology site

Maps

Math Calculators

Measurement Conversions

Measurement Conversion - Convert anything to anything else

Price Comparisons - 1900's to today

Recipes -
Includes a way of changing the amounts you need and lots of printing choices

Travel Distances Between US Cities

Travel- Air Distances Between Selected World Cities

World Time Zones