Other
Brown Math: It's the Law the Laws of Exponents
Step-by-step explanations of the exponent laws including rules for combining powers and roots. Includes practice exercises.
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.
Science Struck
Science Struck: Adding Exponents
Explains how to add exponents as well as other aspects of exponents including positive and negative exponents, rational exponents, zero exponents, power of power, and division of exponents. Includes practice problems with answers provided.
Khan Academy
Khan Academy: Multiply and Divide Powers (Integer Exponents)
In this exercise, students practice using exponent rules to evaluate expressions. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly, or to review the concepts in a video.
Khan Academy
Khan Academy: Negative Exponents
In this exercise, students practice using negative exponents. Students receive immediate feedback and have the opportunity to get hints, see a video, and try questions repeatedly.
Khan Academy
Khan Academy: Properties of Exponents Challenge (Integer Exponents)
In this exercise, students practice applying the properties of exponents. Students receive immediate feedback and have the opportunity to get hints, watch a video, and try questions repeatedly.
Khan Academy
Khan Academy: Powers of Products and Quotients (Structured Practice)
Rewrite expressions that involve powers of products and quotients. Expressions are in ascending order of difficulty. Students receive immediate feedback and have the opportunity to try questions repeatedly and to watch a video or get hints.
Khan Academy
Khan Academy: Powers of Products and Quotients
Rewrite powers of products and quotients. Students receive immediate feedback and have the opportunity to try questions repeatedly and to watch a video or get hints.
Khan Academy
Khan Academy: Negative Exponents
Practice computing numbers with negative exponents. Exponents may be fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly and to watch a video or get hints.
Khan Academy
Khan Academy: Divide Powers
Rewrite quotients of powers with the same base. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or get hints.
Khan Academy
Khan Academy: Multiply Powers
Rewrite products of powers with the same base. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or get hints.
Khan Academy
Khan Academy: Powers of Powers
Rewrite powers of powers into equivalent expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or get hints.
Math Planet
Math Planet: Exponents and Exponential Functions: Properties of Exponents
Explains the properties of exponents. Includes a short video. [1:56]
Other
The Math Center: Laws of Exponents
Lists the laws of exponents on the left side of the page with corresponding examples on the right.