Interactive
Doina Popovici

Math Play: Exponents Jeopardy Game

For Students 7th - 9th
A Jeopardy game where students solve a variety of math problems with powers and exponents. This game can be played alone or in teams.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: "N^0"

For Students 9th - 10th Standards
"Why is any number raised to the zero power equal to one?" A good question and an even better answer
Handout
Other

Brown Math: It's the Law the Laws of Exponents

For Students 9th - 10th Standards
Step-by-step explanations of the exponent laws including rules for combining powers and roots. Includes practice exercises.
Handout
National Council of Teachers of Mathematics

The Math Forum: Middle School Archive

For Students 9th - 10th
This site from the Math Forum provides a list of links to many questions from the Dr. Math archive about exponents. This is a good site to use to direct you to different but associated information on the subject.