Interactive
Purple Math

Purplemath: Negative Exponents

For Students 9th - 10th
This resource covers negative exponents and demonstrates how to simplify expressions containing them. Explains why "to the power zero" means "equals 1".A negative exponent just means that the base 'x' is on the wrong side of the fraction...
Unit Plan
Texas Education Agency

Texas Gateway: Applying the Laws of Exponents: Verbal/symbolic

For Students 9th - 10th
Given verbal and symbolic descriptions of problems involving exponents, the student will simplify the expressions using the laws of exponents.