Purple Math
Purplemath: Simplifying Expressions With Exponents
A detailed look at how to simplify expressions with exponents and how to apply the rules for exponents. Lots of examples included. The third page provides an interactive widget to use for simplifying expressions with exponents.
Khan Academy
Khan Academy: Algebra I: Multiply & Divide Powers (Integer Exponents)
Rewrite products or quotients of powers, including negative powers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Interpret Change in Exponential Models: With Manipulation
Solve problems interpreting change in exponential models with manipulation.
Khan Academy
Khan Academy: Interpret Change in Exponential Models: Changing Units
Given a function that models an exponential situation, rewrite the function in order to find its change for a different time unit. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Math Planet
Math Planet: Exponents and Exponential Functions: Properties of Exponents
Explains the properties of exponents. Includes a short video. [1:56]