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 plan will be a direct teaching lesson plan. With the teacher lecturing and the students taking notes and then having the...
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.
Math Medics
S.o.s. Math: Fundamental Theorem of Algebra
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.
Math Planet
Math Planet: Monomials and Adding or Subtracting Polynomials
Gain an understanding of how to add or subtract polynomials by viewing an example and a video lesson.
Discovery Education
Discovery Education: Web Math: Factor an Integer
WebMath gives a calculator to give all the factors of a number. Drop down menu can select just prime factors of number entered. Also discusses the definition of a factor.
Other
Interactive Algebra
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...
Wyzant
Wyzant: Simplifying Using the Foil Method
WyzAnt provides color coded examples for the foil method of factoring.
University of Cambridge
University of Cambridge: Nrich: Funny Factorisation
Learning exercise deals with factors and factorization.
Wyzant
Wyzant: Algebra Help
Heres a comprehensive review of the basics of algebra. WyzAnt includes lessons on varied topics, calculators that show step-by-step solutions, and interactive worksheets for practicing and testing your skills. Just choose a topic and use...
Other
Algebra Class: Solving and Graphing a Quadratic Equation
Math teacher provides a unit on quadratic equations in which she explains the concepts of solving and graphing quadratic equations through numerous examples and graphs. Hyperlinks are available to each step that ultimately leads to...
Google
Google for Education: Measuring Complexity of Function or Algorithm
In this lesson, students learn how to measure the complexity of the function or algorithm in a math problem and understand how this applies to real world situations.
Wyzant
Wyzant: Factoring a Trinomial
The resource consists of a worksheet, answer sheet, and example problem on factoring trinomials.
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.
Wyzant
Wyzant: Factoring a Gcf From an Expression
Students review factoring a greatest common factor from an expression. The handout consists of an example and answer sheet.