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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Sums and Differences of Single Variable Expressions

For Students 6th Standards
[Free Registration/Login may be required to access all resource tools.] Simplify single variable expressions involving addition and subtraction by combining like terms.
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Handout
Learning Wave Communications

Learning Wave: Algebra, Section 1

For Students 9th - 10th
This resource covers the basic algebraic concepts of like terms, substitution, solving one- and two-step equations, and using formulas and problem solving. Sample problems and links to application problems are included.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Simplify Sums or Differences

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Simplify sums or differences of single variable expressions by combining like terms.
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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...
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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....
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Multi Step Equations

For Students 8th Standards
[Free Registration/Login may be required to access all resource tools.] Use the distributive property and combining like terms to solve equations
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Activity
Help Algebra

Help algebra.com: Simplifying Expressions

For Students 9th - 10th Standards
Learn to simplify expressions using like terms, parentheses. Also learn the best way to work with a negative in the expression.
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Unit Plan
Khan Academy

Khan Academy: Equivalent Expressions

For Students 5th - 7th Standards
Practice determining whether or not two algebraic expressions are equivalent by manipulating the expressions. These problems require you to combine like terms and apply the distributive property. Students receive immediate feedback and...
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Simplify Expressions

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Simplify polynomials by combining like terms.
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Unknown Type
Wyzant

Wyzant: What Is Simplifying?

For Students 9th - 10th Standards
This site from WyzAnt explores what simplifying is, as well as how to simplify a variety of algebraic equations. Content focuses on simplifying multiple signs, combining like terms, simplifying multiplication, distributing a number or...
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Activity
Help Algebra

Help algebra.com: Addition and Subtraction of Polynomials

For Students 9th - 10th Standards
By collecting like terms, the process of adding and subtracting polynomials is demonstrated. Two methods are shown.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Simplify Expressions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers combining like terms.
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Activity
The Math League

The Math League: Introduction to Algebra

For Students 9th - 10th Standards
This introduction offers help on a variety of topics in algebra, such as variables, expressions, equations, and simplifying.
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Unknown Type
Math.com

Math.com: The Basics of Algebra Unit Quiz

For Students 6th - 8th Standards
The unit quiz consists of eight matching questions that examine algebraic expressions and laws of exponents. Solutions are provided.
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Activity
Other

Dan's Math: Basic Skills Topics

For Students 9th - 10th Standards
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
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Unit Plan
Sophia Learning

Sophia: Examining Algebraic Expressions: Lesson 1

For Students 7th - 8th
This lesson demonstrates how to identify and label different parts of an algebraic expression. It is 1 of 5 in the series titled "Examining Algebraic Expressions."
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PPT
Sophia Learning

Sophia: Examining Algebraic Expressions: Lesson 2

For Students 7th - 8th
This lesson demonstrates how to identify and label different parts of an algebraic expression. It is 2 of 5 in the series titled "Examining Algebraic Expressions."
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Unit Plan
Khan Academy

Khan Academy: Writing Basic Expressions Word Problems

For Students 5th - 7th Standards
Practice writing basic algebraic expressions to model real-world situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unknown Type
Wyzant

Wyzant: Simplifying Multiple Positive or Negative Signs

For Students 9th - 10th Standards
Students learn how to simplify multiple positive or negative signs. The resource consists of lessons with examples, a combining like terms calculator, an equation calculator, and a worksheet to check for comprehension.
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Whiteboard
ClassFlow

Class Flow: Solving Multi Step Equations

For Teachers 6th - 8th Standards
[Free Registration/Login Required] By the end of the lesson, students will combine like terms to help understand how to solve multi-step equations. They will use different shapes to help clarify the process. They will also demonstrate...
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Lesson Plan
Alabama Learning Exchange

Alex: Battle to the Death: Adding Integers

For Teachers 6th - 8th
The goal of this lesson is for learners to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson will be related to the 300 Spartans who battled the invading Persians at the Battle of Thermopylae,...
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Unit Plan
Saddleback College

Algebra2 Go: Prealgebra

For Students 9th - 10th Standards
The resource consists of comprehensive learning tools such as class notes, video lectures, and templates through which students can review prealgebra topics.
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Activity
Discovery Education

Discovery Education: Web Math: Multiplying Polynomials

For Students 9th - 10th Standards
This WebMath interactive site allows students to enter problems and get an answer. It offers tips on how to multiply polynomials.
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Unknown Type
Khan Academy

Khan Academy: Equivalent Expressions

For Students 9th - 10th Standards
Practice determining whether or not two algebraic expressions are equivalent by manipulating the expressions. These problems require you to combine like terms and apply the distributive property.