Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factor Quadratics: Factorization of Quadratic Expressions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to factor quadratic expressions. Includes examples, videos, review exercises, and a quiz.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Factor quadratic polynomial expressions of the form ax^2 + bx + c.
Activity
Other

Interactive Algebra: Factoring Helper

For Students 9th - 10th
This interactive site allows you to enter a quadratic expression and work through the steps of factoring. Hints and the answer are available to help with the process.
Interactive
Other

Interactive Algebra: Factoring, Lesson 2 2

For Students 9th - 10th
Practice factoring trinomials with these randomly generated problems. Stuck on finding the right factors? Hints are available, as well as the answer. Continue practicing until you feel comfortable factoring.
Activity
Purple Math

Purplemath: Factoring Quadratics: The Simple Case

For Students 9th - 10th
This Purplemath lesson describes how to factor a trinomial. It also gives sample problems for the students to try interactively. The lesson expresses how to check the answer by multiplying through.
Activity
Help Algebra

Help algebra.com: Factoring Polynomials

For Students 9th - 10th
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.
Activity
Other

Interactive Algebra: Factoring With Negatives

For Students 9th - 10th
These randomly generated polynomials allow you practice factoring. Some of the polynomials contain leading coefficients that are negative. Hints are available when needed and, when ready, you can check your answer.
Unit Plan
Mangahigh

Mangahigh: Algebra: Solve Trinomials With 2 Terms

For Students 9th - 10th
Students learn about the concept of solving binomials by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Unit Plan
Math Planet

Math Planet: Factor Polynomials of the Form of X^2 + Bx + C

For Students 9th - 10th
This resource is about factorizing trinomials of the form x^2+bx+c by making them into a product of two binomials x^2+bx+c=(x+m)(x+n) where m+n=b and m*n=c
Activity
Wyzant

Wyzant: Factoring a Trinomial

For Students 9th - 10th
The resource consists of a worksheet, answer sheet, and example problem on factoring trinomials.
Activity
Interactive Mathematics

Interactive Mathematics: Factoring Trinomials

For Students 9th - 10th
Several examples are given to demonstrate how to factor trinomials. For polynomials that appear to be unfactorable, examples are given of how to factor them by grouping.
Activity
Wyzant

Wyzant: Factoring Calculator

For Students 9th - 10th Standards
The calculator factors expressions by expanding and combining like terms, dividing a greatest common factor, and identifying between two squares or factorable trinomials. An example expression and quick-start guide are included.
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...
Lesson Plan
Science and Mathematics Initiative for Learning Enhancement (SMILE)

Smile: Algebra Tiles Lesson Plan

For Teachers 9th - 10th
This is an algebra tiles lesson in factoring polynomials. The link found a the bottom of the page links to an index of over two hundred lesson plans in various mathematical topics.
Activity
Other

Karl's Calculus Tutor: Algebra Concepts Polynomials

For Students 9th - 10th Standards
This site gives a brief explanation to topics that are prerequisites to studying calculus. Among these operations factoring of polynomials. Special polynomials such as conjugates and differences of squares are also mentioned.
Whiteboard
ClassFlow

Class Flow: Factoring Trinomials

For Teachers 9th - 10th
[Free Registration/Login Required] In this flipchart students are led on a discovery of the patterns found in factoring trinomials. They apply the patterns to factor.
Whiteboard
ClassFlow

Class Flow: Factoring Trinomials

For Teachers 6th - 9th
[Free Registration/Login Required] This flipchart shows a process for factoring trinomials. It includes a partner activity and questions that can be used with the Activotes.
Activity
Help Algebra

Help algebra.com: Steps for Factoring Trinomials

For Students 9th - 10th
Ever have trouble knowing where to start factoring? This summary gives steps for how to factor and tips on what to look for in the quadratics.
Lesson Plan
Alabama Learning Exchange

Alex: "Factoring by Mack"

For Teachers 9th - 10th
This strategy for factoring trinomials will eliminate the trial-and-error method used in most textbooks.The lesson will be a direct teaching lesson. With the teacher lecturing and the students taking notes and then having the students...
Activity
Help Algebra

Help algebra.com: Factoring Polynomials

For Students 9th - 10th
A detailed description of how to factor several types of polynomials is presented. Examples are provided to demonstrate the process.
Handout
Math2

Math2.org: Polynomial Identities

For Students 9th - 10th
This resource provides a list of polynomial identities, including formulas for squaring a binomial, FOILing a trinomial, factoring a difference of two squares, factoring a sum or difference of two cubes, and the Quadratic Formula.
Unit Plan
Department of Defense

Do Dea: Algebra 1: Semester Ii: Polynomials

For Students 9th - 10th Standards
A learning module through which students learn about polynomials including scientific notation, adding and subtracting polynomials, multiplying polynomials, factors and greatest common factor, factoring trinomials, and special factors.
Interactive
Other

Interactive Algebra

For Students 9th - 10th
This interactive site allows you to practice several algebraic concepts, including solving equations, factoring, and graphing. Problems are randomly generated and allow unlimited practice. Each link contains buttons that allow you to get...
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,...

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