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 Lessons
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.
CK-12 Foundation
Ck 12: Algebra: Factorization Using Perfect Square Trinomials
[Free Registration/Login may be required to access all resource tools.] Factor perfect square trinomials and the difference of two squares and solve quadratic equations by factoring.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Special Cases(squares, Product of Sum and Difference)
Twenty-nine problems present a variety of problems working with polynomial special cases. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution"...
Harvey Mudd College
Mudd Math Fun Facts: Difference of Squares
Using algebra, learn how to do fast math in your head!
Khan Academy
Khan Academy: Polynomial Special Products: Perfect Square
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.
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...
CK-12 Foundation
Ck 12: Algebra: Factor Polynomials Using Special Products
[Free Registration/Login may be required to access all resource tools.] This lesson covers factoring perfect square trinomials and the difference of squares.
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.
ClassFlow
Class Flow: Difference of Squares (Algebra)
[Free Registration/Login Required] Pythagorean triples described using a number of triangles. Pythagorean Theorem reinforced using squares and triangles. Assessment built in.
Sophia Learning
Sophia: Factoring Special Products: Perfect Square Trinomials
Solve perfect trinomial squares by factoring and explore the difference of perfect squares.
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...
Cuemath
Cuemath: Square Root of 98
In this mini-lesson, learn how to find the square root of 98 using various methods.
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.
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....
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.
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.
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,...
CK-12 Foundation
Ck 12: Algebra: Special Products of Polynomials
[Free Registration/Login may be required to access all resource tools.] Find the square of a binomial and use the sum and difference formula to find the product of binomials.
CK-12 Foundation
Ck 12: Elem Math: Areas of Rectangular Composite Figures Overlap 1
[Free Registration/Login may be required to access all resource tools.] A video and practice questions where students are presented with one or more smaller rectangles within a larger one. They must calculate the area of the larger...
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.
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.
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...