CK-12 Foundation
Ck 12: Algebra: Simplify Expressions
[Free Registration/Login may be required to access all resource tools.] This lesson covers combining like terms.
The Math League
The Math League: Introduction to Algebra
This introduction offers help on a variety of topics in algebra, such as variables, expressions, equations, and simplifying.
Math.com
Math.com: The Basics of Algebra Unit Quiz
The unit quiz consists of eight matching questions that examine algebraic expressions and laws of exponents. Solutions are provided.
Other
Dan's Math: Basic Skills Topics
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.
Sophia Learning
Sophia: Examining Algebraic Expressions: Lesson 1
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."
Sophia Learning
Sophia: Examining Algebraic Expressions: Lesson 2
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."
Khan Academy
Khan Academy: Writing Basic Expressions Word Problems
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.
Wyzant
Wyzant: Simplifying Multiple Positive or Negative Signs
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.
CK-12 Foundation
Ck 12: Algebra: Simplifying Rational Expressions
[Free Registration/Login may be required to access all resource tools.] This lesson covers simplifying rational expressions by eliminating common factors.
ClassFlow
Class Flow: Solving Multi Step Equations
[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...
Alabama Learning Exchange
Alex: Battle to the Death: Adding Integers
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,...
Saddleback College
Algebra2 Go: Prealgebra
The resource consists of comprehensive learning tools such as class notes, video lectures, and templates through which students can review prealgebra topics.
Discovery Education
Discovery Education: Web Math: Multiplying Polynomials
This WebMath interactive site allows students to enter problems and get an answer. It offers tips on how to multiply polynomials.
Khan Academy
Khan Academy: Equivalent Expressions
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.
Khan Academy
Khan Academy: Order of Operations With Negative Numbers
Practice evaluating expressions using the order of operations. Numbers used in these problems may be negative. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Help Algebra
Algebra Help: Operations With Polynomials
This article gives an overview for adding, subtracting, multiplying, and dividing polynomials. Examples are given, but more importantly, they are accompanied with explanations of why the process worked.
Wyzant
Wyzant: Factoring Calculator
The calculator factors expressions by expanding and combining like terms, dividing a greatest common factor, and identifying between two squares or factorable trinomials. An example expression and quick-start guide are included.
Other
Chili Math: The Distributive Property of Multiplication Over Addition
The distributive property of multiplication over addition allows us to eliminate the grouping symbol, usually in the form of parenthesis. Illustrates the basic pattern or formula and how to apply it.
ClassFlow
Class Flow: Using the Distributive Property to Solve Equations
[Free Registration/Login Required] This flipchart is designed to teach students how to solve multi-step equations that involve using the distributive property. This flipchart also includes a series of pages to be used with the Activotes.
Purple Math
Purplemath: Adding Polynomials
Demonstrates how to add polynomials using both the horizontal and vertical formats.
ClassFlow
Class Flow: Solving Equations Using the Distributive Property
[Free Registration/Login Required] This is a lesson on solving equations using the distributive property. It has questions to use with Activotes.