Other
Multiplication: An Adventure in Number Sense
This explanation for learning your multiplication tables is interactive and fun. There are only about 13 facts that students may want to memorize.
Purple Math
Purplemath: Factoring Quadratics: The Simple Case
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.
Wyzant
Wyzant: Simplifying Using the Foil Method
WyzAnt provides color coded examples for the foil method of factoring.
ClassFlow
Class Flow: Factoring Trinomials
[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.
ClassFlow
Class Flow: Making a Thousand Chart
[Free Registration/Login Required] This flipchart supports Landmarks in the Hundreds, a 3rd grade Investigations unit.
Purple Math
Purplemath: Factoring Numbers
Visit Purplemath.com for a lesson on finding the prime factorization of numbers. Numerous examples are worked through step by step.
Purple Math
Purplemath: Simple Factoring
Demonstrates how to factor simple polynomial expressions such as "2x + 6".
Purple Math
Purplemath: Factoring Polynomials: How To
Demonstrates the steps involved in factoring a general polynomial, including using the Rational Roots Test and synthetic division. Shows how to "cheat" with a graphing calculator.
Purple Math
Purplemath: The Rational Roots Test
Demonstrates how to use the Rational Roots Test to list possible fractional solutions for polynomials.
Purple Math
Purplemath: Special Factoring: Differences of Squares
Demonstrates how to use the formula for finding the differences of squares, and warns against trying to factor a sum of squares.
Purple Math
Purplemath: Solving Quadratic Equations by Factoring
Demonstrates how to solve quadratics using factoring (that is/the Zero-Product Property). Provides worked examples/and warnings about common mistakes.
Purple Math
Purplemath: Solving Polynomials: How To
Demonstrates the steps involved in solving a general polynomial, including how to use the Rational Roots Test and synthetic division. Points out when using a graphing calculator can be very helpful.
Houghton Mifflin Harcourt
Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: Common Denominators [Pdf]
A graphing calculator lesson focusing on common denominator. Lesson contains detailed examples, visual demonstrations with key functions, and practice problems. Acrobat Reader required.
Cool Math
Coolmath: Factoring Polynomials a Final Overview
Review with this final overview of factoring polynomials.
AAA Math
Aaa Math: Multiplication Sentences 1
Learn about basic multiplication equations, and practice completing the multiplication sentences.
Wolfram Research
Wolfram Mathworld: Polynomial Factorization
This site discusses factoring of polynomials, giving a general definition, and many links to satisfy unfamiliar terminology. There are however very few examples.
Curated OER
Eqnarray26
Explains what factoring is and what the roots of a polynomial are separately. It then discusses factoring and roots together.
Curated OER
Eqnarray42
Explains what factoring is and what the roots of a polynomial are separately. It then discusses factoring and roots together.
Curated OER
Displaymath138
Explains what factoring is and what the roots of a polynomial are separately. It then discusses factoring and roots together.
Curated OER
Eqnarray11
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.
Curated OER
Eqnarray23
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.
Curated OER
Eqnarray26
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.
Curated OER
Eqnarray29
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.