National Council of Teachers of Mathematics
The Math Forum: Interest Rates
This Dr. Math site asks about simple interest and its effect on the repayment of a loan.
Department of Defense
Do Dea: Compound Interest
The compound interest formula that banks use when the interest is compounded continually is an exponential function. Review the regular formula for compound interest on this site. Great review for the AP Calculus test!
University of Nebraska Omaha
University of Omaha: Why We Save [Pdf]
Why do people need to save money? This lesson plan is geared for Kindergarten through 2nd grade and helps students understand the reasons for saving.
Other
Financial Pipeline: Interest Compounding
This page gives a summary of compounding interest and distinguishes it from simple interest.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Economy?
Overview of economics with an emphasis on basic economic terms and concepts.