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Activity
Cool Math

Coolmath: Complex Numbers Factoring the Sum of Two Squares

For Students 5th - 9th
Use this algebra lesson to learn how to factor the sum of two squares.
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Website
Cool Math

Coolmath: Pre Calculus Freaky Factoring

For Students 9th - 10th Standards
This CoolMath resource provides a review of factoring polynomials and an introduction to factoring exponents that are fractions.
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Website
Cool Math

Coolmath: Solving Quadratic Equations by Factoring

For Students 9th - 10th
This CoolMath resource will help students solve quadratic equations by factoring.
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Activity
Math Medics

S.o.s. Math: Factoring: Some Special Cases

For Students 9th - 10th
In this lesson, special cases of factoring are described, including perfect squares, difference of squares, and difference and sum of cubes. Exercises with answers included.
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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.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Factoring

For Students 9th - 10th Standards
Find a quick, concise explanation of factoring. Several examples are given and clearly explained.
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eBook
Math Planet

Math Planet: Algebra 2: How to Solve Quadratic Equations

For Students 9th - 10th Standards
Gain an understanding of how to use factoring to solve a quadratic equation by viewing examples and a video lesson. [2:13]
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eBook
CK-12 Foundation

Ck 12: Algebra Ii: 1.9 Sum and Difference of Cubes

For Students 9th - 10th
This section expands on the process of factoring to certain types of polynomials. In particular, it investigates how to find the sum and difference of cubed numbers and terms, and it will use volume of cubes to model this process.
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Activity
Sophia Learning

Sophia: Factoring Special Products: Perfect Square Trinomials

For Students 9th - 10th
Solve perfect trinomial squares by factoring and explore the difference of perfect squares.
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Handout
Math Medics

S.o.s. Math: Factoring Over the Complex Numbers

For Students 9th - 10th Standards
S.O.S. Math provides information, including examples, on factoring over the complex numbers.
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Lesson Plan
Annenberg Foundation

Annenberg Learner: The X Factor Trinomials and Algebra Tiles

For Teachers 9th - 10th
This is the first of two algebra lesson plans from Annenberg Learning. Find plans to teach students how to factor trinomials. This lesson plan is part of a larger workshop for teachers that offer insights into teaching algebra.
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Unit Plan
CK-12 Foundation

Ck 12: Find Imaginary Solutions: Fundamental Theorem of Algebra

For Students 11th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Here you will learn about the Fundamental Theorem of Algebra, and how to apply it to various functions. You will also review using the quadratic equation to find...
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Handout
Math Medics

S.o.s. Math: Fundamental Theorem of Algebra

For Students 9th - 10th Standards
This lesson takes a look at the Fundamental Theorem of Algebra. It gives information on solving multiplicity of roots and quadratic polynomials. Also gives a brief history and provides some learning exercises to practice.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factoring by Grouping

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Group terms in quadratic expressions to help completely factor them.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factoring by Grouping

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn how to factor quadratic expressions by grouping.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factoring by Grouping

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to factor and solve certain polynomials by grouping.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factoring by Grouping

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Group terms in quadratic expressions to help completely factor them.
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Activity
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra: Gcf and Factoring by Grouping

For Students 9th - 10th
Excellent tutorial on GCF of polynomials, including examples and step-by-step instruction on factoring.
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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.
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Activity
Other

Dans Math: Lessons: Intermediate Algebra

For Students 9th - 10th Standards
College professor Dan Bach presents a review of algebra concepts, including factoring, quadratic equations, and graphing parabolas. The examples are detailed, but easy to follow. This is a good site for reviewing before tests and quizzes.
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Unit Plan
Mangahigh

Mangahigh: Algebra: Solve Trinomials by Factoring

For Students 9th - 10th
Students watch an online tutorial on the concept of factoring trinomials. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their answers.
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Unit Plan
Mangahigh

Mangahigh: Algebra: Solve Trinomials by Factoring

For Students 9th - 10th
Students watch an online tutorial on the concept of factoring trinomials. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their answers.
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Unit Plan
Mangahigh

Mangahigh: Algebra: Factor Trinomials

For Students 9th - 10th
Students watch an online tutorial on the concept of factoring trinomials. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their answers.
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Unit Plan
Mangahigh

Mangahigh: Algebra: Factor Trinomials

For Students 9th - 10th
Students watch an online tutorial on the concept of factoring trinomials. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their answers.

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