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 expressions in which the coefficients a, b, and/or c are negative.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

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

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers factoring quadratics when the leading coefficient is not one.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Factoring

For Teachers 9th - 10th
From pulling out the common factors of a polynomial to giving hints on how to factor a trinomial that does not have a leading coefficient of 1, a comprehensive tutorial for factoring polynomials is given as well as practice, interactive...
Unit Plan
Homeschool Math

Homeschool Math: Prime Factorization of Three Digit Numbers

For Teachers 5th
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.
Activity
Purple Math

Purplemath: Factoring Numbers

For Students 3rd - 8th Standards
Visit Purplemath.com for a lesson on finding the prime factorization of numbers. Numerous examples are worked through step by step.
Interactive
Doina Popovici

Math Play: Prime Factorization Game

For Students 4th - 6th Standards
Students can practice factorization in this online game.
Interactive
Doina Popovici

Math Play: Prime Factorization Game

For Students 5th - 7th
Students can practice prime factorization in this online game that can be played individually or in teams.
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Prime Factorization

For Students 9th - 10th Standards
Find a quick, concise explanation of how to find the unique prime factorization of a number. An example is given and clearly explained.
Website
Shmoop University

Shmoop: Basic Operations: Prime Factorization

For Students 3rd - 8th Standards
Students learn about prime factorization. The resource consists of notes, step-by-step examples, and practice problems with solutions.
Activity
Math Medics

S.o.s. Math: Algebra

For Students 9th - 10th Standards
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Interactive
Calculator Soup

Calculator Soup: Prime Factorization Calculator

For Students 9th - 10th
Use this prime numbers calculator to find all prime factors of a given integer number up to 1 trillion. This calculator presents prime factors of a number, prime decomposition in exponential form, CSV (comma separated values) list of...
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Preliminaries: Factoring Polynomials

For Students 9th - 10th
Detailed math tutorial features notes and examples that illustrate how to factor polynomials. It discusses factoring out the greatest common factor, factoring by grouping, factoring quadratics, and factoring polynomials with degree...
Activity
National Council of Teachers of Mathematics

The Math Forum: Factoring Polynomials

For Students 9th - 10th Standards
Links to numerous question/answer sessions on factoring polynomials.
Lesson Plan
Better Lesson

Better Lesson: Prime Factorization of Numbers

For Teachers 6th
Sixth graders will climb math trees.
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.
Unknown Type
University of Vienna (Austria)

University of Vienna: Elementary Properties of Numbers

For Students 9th - 10th Standards
Quick interactive assessment which determines skill level on fraction equivalence, prime factorization, and common divisors/multiples.
Handout
Other

Help With Fractions: Prime Numbers Chart

For Students 9th - 10th Standards
Prime and composite numbers are defined on this website. A prime number chart is also included for all prime numbers under 10,000.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: A Number as a Product of Its Prime Factors

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Write the prime factorization of given numbers.
Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Factoring Polynomials

For Students 9th - 10th
This site from the University of Saskatchewan provides an explanation of factoring by grouping, greatest common factor, perfect squares, and difference of squares. Higher degree polynomials factored as well. Some examples provided along...
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.
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.
Unknown Type
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Factoring

For Students 9th - 10th
Practice using your graphing calculator for solving exponent problems and factoring polynomials. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.

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