Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: The Difference of Two Squares

For Students 9th - 10th
Here is a site that clearly and thoroughly explains factoring and multiplying a difference of two squares. There are example problems solved, problems for the student to attempt, and answers to the student problems. A set of cumulative...
Unit Plan
Mangahigh

Mangahigh: Algebra: Factor Using the Difference of Two Squares

For Students 9th - 10th
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...
Unit Plan
Mangahigh

Mangahigh: Algebra: Factor Using the Difference of Two Squares

For Students 9th - 10th
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...
PPT
Sophia Learning

Sophia: Using the Difference of Two Squares to Solve Equations: Lesson 2

For Students 9th - 10th
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."
PPT
Sophia Learning

Sophia: Using the Difference of Two Squares to Solve Equations: Lesson 4

For Students 9th - 10th
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."
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization Using Difference of Squares

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Factor the difference of two squares and perfect square trinomials and solve quadratic polynomial equations by factoring.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization Using Difference of Squares

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Factor the difference of two squares and perfect square trinomials and solve quadratic polynomial equations by factoring.
Activity
Wyzant

Wyzant: Factoring a Difference Between Two Squares Worksheet

For Students 9th - 10th
The resource consists of a worksheet, answer sheet, and example problem on factoring expressions as a difference between two squares.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization Using Perfect Square Trinomials

For Students 9th - 10th Standards
[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.
Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Factoring Polynomials

For Students 9th - 10th
This site from the University of Saskatchewan provides an explanation of factoring by grouping, greatest common factor, perfect squares, and difference of squares. Higher degree polynomials factored as well. Some examples provided along...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Difference of Squares

For Students 9th - 10th
Find a quick, concise explanation of how to find the difference of squares. An example is given and clearly explained.
Activity
Interactive Mathematics

Interactive Mathematics: Common Factor & Difference of Squares

For Students 9th - 10th
These easy to follow examples demonstrate how to factor algebraic expression using GCF and difference of squares.
Activity
Other

Dans Math: Lessons: Beginning Algebra

For Students 9th - 10th Standards
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.
Activity
Harvey Mudd College

Mudd Math Fun Facts: Difference of Squares

For Students 9th - 10th Standards
Using algebra, learn how to do fast math in your head!
Handout
Other

Sierra College: Elementary Algebra Review Sheet and Common Formulas

For Students 9th - 10th
This review sheet includes important rules, properties, formulas, and equations needed to solve many Algebra problems.
Activity
Help Algebra

Help algebra.com: Special Products

For Students 9th - 10th Standards
The difference of two squares and squaring binomials are the focus of this resource. Examples demonstrate how to multiply these special polynomials.
Unit Plan
Khan Academy

Khan Academy: Special Products of Binomials

For Students 9th - 10th
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...
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
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,...