Lesson Plan
Curated OER

Love Algebra?

For Teachers 8th
Eighth graders, while in the computer lab, access a web site to help them utilize manipulatives of cups and tiles to develop the skills necessary to understand multi-step equations. They assess the relationship between cups and tiles and...
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Khan Academy

Khan Academy: Add & Subtract Polynomials: Two Variables

For Students 10th Standards
Work a problem on adding and subtracting polynomials with two variables. Video is available if you need a hint.
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Khan Academy

Khan Academy: Adding and Subtracting Polynomials With Two Variables Review

For Students 10th Standards
Adding and subtracting polynomials is all about combining like terms. When the terms have two variables, it gets a little bit tricky to figure out which terms are like terms. In this article, we review some examples and give you a chance...
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Khan Academy

Khan Academy: Add and Subtract Polynomials

For Students 9th - 10th Standards
Exercises for practicing adding and subtracting polynomials. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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Khan Academy

Khan Academy: Add and Subtract Polynomials: Find the Error

For Students 9th - 10th Standards
Choose the step where an error was made in adding or subtracting polynomials. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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Khan Academy

Khan Academy: Add and Subtract Polynomials: Two Variables

For Students 9th - 10th Standards
Practice adding and subtracting polynomials. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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Khan Academy

Khan Academy: Add & Subtract Polynomials: Find the Error

For Students 9th
Choose which step an error was made in adding or subtracting polynomials.
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Khan Academy

Khan Academy: Add & Subtract Polynomials

For Students 10th
Example: Subtract -2x^2+4x-1 from 6x^2+3x-9.
eBook
Khan Academy

Khan Academy: Adding and Subtracting Polynomials Review

For Students 9th - 10th Standards
Adding and subtracting polynomials is all about combining like terms. In this article, we review some examples and give you a chance for you to practice the skill yourself.
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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Khan Academy

Khan Academy: Subtract Polynomials (Intro)

For Students 9th - 10th Standards
Students practice subtracting polynomials with these exercises. They receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unit Plan
Khan Academy

Khan Academy: Add & Subtract Polynomials: Two Variables (Intro)

For Students 9th - 10th Standards
Example: Subtract or add polynomials. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
Cool Math

Coolmath: Adding & Subtracting Polynomials

For Students 3rd - 7th
This prealgebra lesson explains how to add and subtract polynomials.
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Khan Academy

Khan Academy: Add & Subtract Polynomials: Two Variables (Intro)

For Students 10th
Example: Subtract (x^2+2xy-y) and (3x+5xy+2y^2).
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Beginning Algebra: Adding and Subtracting Polynomials

For Students 9th - 10th Standards
A tutorial as an introduction to polynomials. Basic terminology and simple algebraic manipulations. Offers discussions and practice exercises with answers and explanations.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Adding and Subtracting Polynomials

For Students 9th - 10th Standards
A detailed explanation of polynomials and like terms is followed with many examples of how to add and subtract them. Lessons for the teacher as well as interactive examples for the students provide plenty of opportunities for practice....
Activity
Discovery Education

Discovery Education: Web Math: Add and Subtract Polynomials

For Students 9th - 10th Standards
Perform and see examples of adding and subtracting polynomials on the WebMath "Solver."
Unit Plan
CK-12 Foundation

Ck 12: Algebra Ii: Addition and Subtraction of Polynomials

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to add and subtract polynomials, as well as learn about the different parts of a polynomial. Practice problems are also included.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Addition and Subtraction of Polynomials

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students add and subtract polynomial expressions and simplify polynomials by combining like terms. Students can watch a video tutorial, explore guided...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Addition and Subtraction of Polynomials

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn to add and subtract polynomials. Students can watch a video tutorial, explore guided notes and attempt practice problems.
Activity
Math Is Fun

Math Is Fun: Adding and Subtracting Polynomials

For Students 9th - 10th Standards
Students examine how to add and subtract polynomials in this mathematics resource. Video examples demonstrate the steps to take when adding and subtracting polynomials.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Add and Subtract Polynomials

For Students 9th - 10th Standards
Find a quick, concise explanation of how to add and subtract polynomials. Step by step example is included to help you understand how to use the distributive property to find the sum or difference.
Lesson Plan
Khan Academy

Khan: Lsn 11 Ops W Polynomials, Rewriting Expressions, Quad Functions, Equations

For Students 9th - 10th
Lesson 1 of 4 for Passport to Advanced Math. Students will add, subtract, and multiply polynomials. They will build quadratic functions and write equations to represent a context.
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Paul Dawkins

Paul's Online Notes: Polynomials: Practice Page

For Students 9th - 10th
Practice exercise reviews how to how to add, subtract and multiply polynomials.