Free Math Help
Free Math Help: Factoring Numbers
Learners examine how to factor a number. The lesson teaches students about the basic ideas of factoring. The resource includes detailed explanations and a message board to post additional questions.
Wyzant
Wyzant: Factoring a Gcf From an Expression
The tutorial explains how to factor a greatest common factor from an expression. The resource includes a lesson with examples, practice problems, and an expression-factoring calculator.
Other
Interactive Algebra: Factoring, Lesson 2 1
An interactive solver allows you to factor quadratic polynomials. The solver provides hints to help you factor before seeing the answer. Note: These quadratics have a leading coefficient of 1.
Wyzant
Wyzant: Factoring Numbers
Never quite understood factors? This site explains it all. Review what a factor is and how to find it.
National Council of Teachers of Mathematics
The Math Forum: Finding the Greatest Common Factor of Two Numbers
Math Forum response to question about finding the greatest common factor by using the factoring tree method.
Math Is Fun
Math Is Fun: Factoring Quadratics
The tutorial examines how to factor quadratics. The resource consists of detailed examples and explanations about the algebra concept.
Homeschool Math
Homeschool Math: Prime Factorization of Three Digit Numbers
This lesson shows examples of how to get started with the prime factorization of three-digit or larger numbers, using a factor tree. includes numerous practice exercises.
Math Is Fun
Math Is Fun: Algebra
Through this collection of definitions, lessons, problem-solving steps and strategies, and example questions, you'll learn why completing an algebra problem is a lot like solving a puzzle. After viewing introductory material and basic...
Oswego City School District
Regents Exam Prep Center: Quadratic Equations
Includes lesson, practice exercise, and teacher resource on how to factor quadratic equations. You'll find examples for using the factoring and graphing methods for solving, a twelve-question quiz with hints and answers, and a suggested...
Math Planet
Math Planet: Factorization and Prime Numbers
Gain an understanding of how to factor prime numbers by viewing examples and a video lesson.
National Council of Teachers of Mathematics
Nctm: Illuminations: Algebra Tiles
This resource is about factoring linear and quadratic expressions in one variable, evaluating them at a given value of the variable, multiplying factors to find the expanded form of the expression, and solving linear and quadratic...
Sophia Learning
Sophia: Simplifying Rational Expressions: It's Simple
Learn to simplify rational expressions using factoring. Includes a short video [1:37] and a practice problem in a slideshow.
Khan Academy
Khan Academy: Solve Quadratics by Factoring
Solve quadratic equations of the form ax^2+bx+c=0 that can be rewritten according to their linear factors. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Alabama Learning Exchange
Alex: "Factoring by Mack"
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...
Mangahigh
Mangahigh: Algebra: Multiply and Divide Algebraic Fractions Using Factoring
Mangahigh is a site that students can learn and practice math skills that are correlated to common core math standards. On this site students learn and practice multiplying and dividing algebraic fractions.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Quadratics
Here is a site that clearly and thoroughly explains quadratic functions, including graphing functions and solving equations using factoring. There are example problems solved, problems for the student to attempt, and answers to the...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Perfect Trinomial Square
Here is a site that clearly and thoroughly explains multiplying and factoring perfect square trinomials. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...
Paul Dawkins
Paul's Online Notes: Algebra: Quadratic Equations Part I
Detailed math tutorial features notes and examples that illustrate how to solve quadratic equations by factoring and the square root property.
University of Vienna (Austria)
University of Vienna: Pulling Common Factors Out
Multiple choice assessment which tests knowledge of "simple" factoring (greatest common factor only), given varying degrees of polynomials.
Math Medics
S.o.s. Math: Algebraic Identities
This online tutorial contains the binomial formula and examples.
AAA Math
Aaa Math: Practice Finding Greatest Common Factor
This lesson contains a learning exercise in which the user has to find the greatest common factor and type it in. The exercise keeps track of how many right and wrong answers given and gives you a grade.
Illustrative Mathematics
Illustrative Mathematics: A Apr Zeroes and Factorization of a General Polynomial
In this task, students investigate the properties of a polynomial of degree d > 0. The task relates to the Fundamental Theorem of Algebra. Aligns with A-APR.B.2.
Illustrative Mathematics
Illustrative Mathematics: A Apr Zeroes and Factorization of Quadratic Polynomial
This is the first of a series of problems building to an understanding of an important property of polynomial functions, that a polynomial of degree d can have at most d roots. Aligns with A-APR.B.2.
AAA Math
Aaa Math: Least Common Multiple
This tutorial offers an explanation of least common multiples, practice finding them and a game to play. There is a lot of information available at this location.