Paul Dawkins
Paul's Online Notes: Polynomials: Practice Page
Practice exercise reviews how to how to add, subtract and multiply polynomials.
Khan Academy
Khan Academy: Algebra: Arithmetic With Polynomials and Rational Expressions
Understand that polynomials form a system analogous to the integers, namely, they are closed under the operations of addition, subtraction, and multiplication i.e. one can add, subtract, and multiply polynomials.
University of Regina (Canada)
University of Regina: Math Central: Intelli Gum: A Success Story
Introduce polynomial operations to your middle school students using the highly engaging story of ?IntelliGum?. This one-of-a-kind gum, when chewed regularly, and in appropriate quantities, will make you smarter. As part of this creative...
Purple Math
Purplemath: Adding Polynomials
Demonstrates how to add polynomials using both the horizontal and vertical formats.
Sophia Learning
Sophia: Addition and Subtraction of Rational Expressions
Use the examples to find the least common denominator in order to add and subtract rational expressions.