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Unknown Type
Khan Academy

Khan Academy: Factor Polynomials Using Structure

For Students 9th - 10th Standards
Factor 'advanced' polynomials (i.e. polynomials of various degrees and or with two variables) using special product factorization methods.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Finding the Greatest Common Factor of Two Numbers

For Students 9th - 10th
Math Forum response to question about finding the greatest common factor by using the factoring tree method.
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Activity
Purple Math

Purplemath: Lcm & Gcf

For Students 9th - 10th Standards
Purplemath shows an easy and orderly way to determine the GCF and LCM of any two numbers. Even large numbers won't be a challenge with this method.
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Unknown Type
Soft Schools

Soft Schools: Greatest Common Factor Worksheet

For Students 9th - 10th Standards
Find the greatest common factor between two numbers. You may set the total number of problems per page, the minimum and maximum numbers, and an answer key is optional.
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Unknown Type
University of Waterloo (Canada)

Wired Math: Primes and Prime Factors [Pdf]

For Students 3rd - 8th Standards
Explore primes, prime factors, and composites using this collection of worksheets. Lots of detailed examples, interesting math facts, and colorful visuals. Acrobat Reader required.
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Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Factorize

For Students 3rd - 8th
With this activity, you can visually explore the concept of factors by creating rectangular arrays. The length and width of the array are factors of your number.
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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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eBook
Math Planet

Math Planet: Monomials and Adding or Subtracting Polynomials

For Students 6th - 8th
Gain an understanding of how to add or subtract polynomials by viewing an example and a video lesson.
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Lesson Plan
Alabama Learning Exchange

Alex: Factoring Fanatic

For Teachers 9th - 10th
This activity is designed to give students practice in "finding" the correct factors to use when attempting to factor a trinomial. The students are provided with a Tic-Tac sheet to help them discover the relationship or pattern between...
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Unit Plan
Texas Education Agency

Texas Gateway: Applying the Order of Operations

For Students 6th - 7th Standards
Given a numerical expression including whole number exponents and prime factorization, students will use the order of operations to generate an equivalent expression.
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Unit Plan
Khan Academy

Khan Academy: Solve Equations Using Structure

For Students 9th - 10th
Solve advanced equations by strategically using quadratic factorization methods. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
CK-12 Foundation

Ck 12: Factor Quadratic Expressions With Negative Coefficients

For Students 9th - 10th
[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. Students can watch videos and follow along with notes. There is also practice...
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Greatest Common Factor 2

For Students 9th - 10th Standards
Twenty-four problems present a variety of problems working with finding the greatest common factor and finding prime factorizations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of...
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Lesson Plan
Google

Google for Education: Measuring Complexity of Function or Algorithm

For Teachers 9th - 10th Standards
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.
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Unit Plan
Cuemath

Cuemath: Square Root of 98

For Students 9th - 10th
In this mini-lesson, learn how to find the square root of 98 using various methods.
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Unit Plan
Math Planet

Math Planet: Polynomial Equations in Factored Form

For Students 9th - 10th Standards
All equations are composed of polynomials. If you know how to solve equations containing polynomials of the first degree, then you can solve equations of higher degree. One way to solve a polynomial equation is to use the zero-product...
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Lesson Plan
George Mason University

Margo Mankus: Investigating Lcm and Gcf Using Rods

For Teachers 9th - 10th Standards
This lesson plan is for an activity using rods (Cuisenaire Bars) to help students understand the concept of factors, in particular the LCM and GCF of two numbers.
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Article
Cuemath

Cuemath: Factors

For Students 5th - 8th
A factor of a number in math is a number that divides the given number. Factors are used in many situations in daily life. This article explains factors and how to find factors using multiplication and division. Included are solved...
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Article
Cuemath

Cuemath: Least Common Multiple

For Students 5th - 8th Standards
Learn about the properties of Least Common Multiples (LCM) and the three methods to find the LCM. Included are solved examples and interactive problems for review.
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Unknown Type
Khan Academy

Khan Academy: Solve Equations Using Structure

For Students 9th - 10th
Solve advanced equations by strategically using quadratic factorization methods.
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Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
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Interactive
National Council of Teachers of Mathematics

Nctm: Factor Game

For Students 3rd - 8th
Fun math game tests your factoring ability.
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Activity
University of Cambridge

University of Cambridge: Nrich: Grouping Goodies

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and factor skills while working on this challenge. The solution is available to double check your solution.
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Interactive
AAA Math

Aaa Math: Least Common Multiple

For Students 3rd - 8th Standards
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.

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