Other
Karl's Calculus Tutor: Basic Algebra Concepts
This site is a comprehensive review of algebraic basics including equations, the distributive law, the equation of a straight line, quadratic equations, polynomials, the difference of squares, the Pythagorean distance formula, and...
Oswego City School District
Regents Exam Prep Center: Factoring the Difference of Two Perfect Squares
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.
Discovery Education
Discovery Education: Web Math: Factor Polynomial by Rewriting It as the Difference Between Two Squares
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.
Mangahigh
Mangahigh: Algebra: Factor Using the Difference of Two Squares
Students watch an online tutorial on the concept of factoring using the difference of two squares . After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their...
Mangahigh
Mangahigh: Algebra: Factor Using the Difference of Two Squares
Students watch an online tutorial on the concept of factoring trinomials using the difference of two squares. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based...
University of Cambridge
University of Cambridge: Nrich: Game Subtraction Squares
Use this game to improve your subtraction skills. You will not only need to know your subtraction facts you will also need to figure out a strategy to win! There is a "Get Printable Page," link at the top if you want to print it out to...
Sophia Learning
Sophia: Using the Difference of Two Squares to Solve Equations: Lesson 2
This lesson demonstrates how to use the difference of two squares and the zero product property to solve for binomial equations. It is 2 of 4 in the series titled "Using the Difference of Two Squares to Solve Equations."
Sophia Learning
Sophia: Using the Difference of Two Squares to Solve Equations: Lesson 4
This lesson demonstrates how to use the difference of two squares and the zero product property to solve for binomial equations. It is 4 of 4 in the series titled "Using the Difference of Two Squares to Solve Equations."
Wyzant
Wyzant: Factoring a Difference Between Two Squares Worksheet
The resource consists of a worksheet, answer sheet, and example problem on factoring expressions as a difference between two squares.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Khan Academy
Khan Academy: Special Products of Binomials
Find special products (perfect squares and difference of squares) of "advanced" binomials: binomials with leading coefficients other than 1; binomials with higher degrees; and binomials with two variables. Students receive immediate...
Help Algebra
Help algebra.com: Factoring Polynomials
Several types of factoring are covered in this article, including common factors, grouping, special factors, and completing the square. The examples include detailed explanations of the factoring process.
Help Algebra
Help algebra.com: Special Products
The difference of two squares and squaring binomials are the focus of this resource. Examples demonstrate how to multiply these special polynomials.
Integrated Publishing
Integrated Publishing: Rational and Irrational Numbers
Content, suitable for an introductory algebra course, explains the difference between rational and irrational numbers, how to rationalize the denominator, how to evaluate radicals and the square root process. Practice problems included.
ClassFlow
Class Flow: Number Square Algebra
[Free Registration/Login Required] In this flipchart, students interact with whole numbers arranged in a square to apply their arithmetic skills of multiplication, addition and subtraction.
ClassFlow
Class Flow: Addition Subtraction
[Free Registration/Login Required] The pages of this flipchart demonstrate methods for adding and subtracting near multiples of ten and give the children opportunities to practice these methods. You may consider using a 100 square for...
ClassFlow
Class Flow: Mental Addition and Subtraction
[Free Registration/Login Required] The pages of this flipchart demonstrate methods for adding and subtracting near multiples of ten, and give the children opportunities to practice these methods. You may consider using a 100 square for...
Wyzant
Wyzant: Factoring Completely
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...
Other
Dans Math: Lessons: Beginning Algebra
College professor Dan Bach offers a review of basic algebra concepts complete with definitions, explanations, and examples. Topics include simplifying expressions, solving linear equations, and graphing.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Factoring Polynomials
This page includes a tutorial which teaches you how to find the Greatest Common Factor (GCF) of a polynomial, factor out the GCF of a polynomial, factor a polynomial with four terms by grouping, factor trinomials, and factor a difference...
Other
Dan's Math: Basic Skills Topics
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
PBS
Pbs Learning Media: The Measurement Debate
In this Cyberchase video segment, the CyberSquad helps resolve a dispute about the squares on the Gollywood Walk of Fame.
Interactive Mathematics
Interactive Mathematics: Factoring and Fractions
Polynomials are the focus of these lessons, concentrating on factoring and special products to work with rational expressions. Interactive tools of Live Math and Scientific Notebook are used to provide animated solutions to the examples....
Other
Sierra College: Trigonometric Identities
Provides trigonometric identities, which include fundamental identities, even-odd identities, addition formulas, double-angle formulas, subtraction formulas, product-sum formulas, and identities for sin squared and cos squared.