Unit Plan
Wyzant

Wyzant: Factoring a Difference Between Two Squares Lessons

For Students 9th - 10th
Several examples are presented to demonstrate how to factor a polynomial that is a difference of two squares. The online worksheet helps for extra practice.
Handout
Oswego City School District

Regents Exam Prep Center: Factoring the Difference of Two Perfect Squares

For Students 9th - 10th
Use this site to learn the trick to factoring when the polynomial is a difference of two perfect squares. The site contains examples that are easy to follow.
Activity
Discovery Education

Discovery Education: Web Math: Factor Polynomial by Rewriting It as the Difference Between Two Squares

For Students 9th - 10th
This WebMath site includes an interactive problem solver. Use it to factor a polynomial that is the difference between two perfect squares. The website will bring back a full explanation behind the answer.
Handout
Purple Math

Purplemath: Special Factoring: Differences of Squares

For Students 9th - 10th Standards
Demonstrates how to use the formula for finding the differences of squares, and warns against trying to factor a sum of squares.
Unit Plan
Wyzant

Wyzant: Factoring Completely

For Students 9th - 10th
The resource examines the algebra topic of solving equations. Students view the tutorial to review how to solve by factoring. The lesson consists of the greatest common factor, difference between two squares, and trinomial techniques. An...