Khan Academy
Khan Academy: Combining Like Terms
Simplify algebraic expressions by combining like terms. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Purple Math
Purplemath: Simplifying With Parentheses
Explains, with worked examples, how to simplify expressions which involve parentheses and variables, including how to take a negative through the parentheses.
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.
![University of Waterloo: Cemc: Math Circles: Exponents [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "University of Waterloo: Cemc: Math Circles: Exponents [Pdf] Unknown Type")
University of Waterloo (Canada)
University of Waterloo: Cemc: Math Circles: Exponents [Pdf]
This worksheet provides exercises in writing expressions in exponential form, multiplying and dividing powers, and working with zero and negative exponents. A series of challenging word problems are included.
Mangahigh
Mangahigh: Algebra: Multiply Terms
Students learn about the concept of multiplying terms by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Mangahigh
Mangahigh: Algebra: Distributive Property, Multiply by an Integer
Mangahigh is a website with math games aimed at twelve to eighteen year olds. On this site students multiply across single parenthesis using a constant.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Adding Like Terms
Here is a site that clearly and thoroughly explains adding like terms, including terms with signs and terms within parentheses. There are example problems solved, problems for the student to attempt, and answers to the student problems....
Lawrence Hall of Science
The Math Page: Skill in Algebra: Removing Grouping Symbols
Here is a site that clearly and thoroughly explains removing grouping symbols like parentheses, braces, and brackets. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this...
Alabama Learning Exchange
Alex: Battle to the Death: Adding Integers
The goal of this lesson plan is for students to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson plan will be related to the 300 Spartans who battled the invading Persians at the Battle of...
Wyzant
Wyzant: Exponents of Polynomials Worksheet
Twenty practice problems are presented where polynomials (mostly binomials) in parenthesis are raised to number exponents. Each of the questions has a step-by-step solution for the student to see after completing the work on their own....
Help Algebra
Help algebra.com: Rationalizing the Denominator
Learn to simplify radical expressions by removing radicals from denominators. The demonstration includes both single radicals and binomials that require the use of a conjugate.
Wyzant
Wyzant: Simplifying Using the Distributive Property
Students investigate how to simplify using the distributive property. The resource consists of lessons with examples, an expression simplifying calculator, and a worksheet to check for comprehension.
CK-12 Foundation
Ck 12: Algebra: Addition and Subtraction of Radicals
[Free Registration/Login may be required to access all resource tools.] Learn how to simplify expressions involving the addition and subtraction of radicals.
CK-12 Foundation
Ck 12: Algebra: Exponential Terms Raised to an Exponent
[Free Registration/Login may be required to access all resource tools.] Simplify expressions that involve exponential terms being raised to a higher power.
Wyzant
Wyzant: Simplifying Using the Foil Method
The distributive property is demonstrated using the FOIL method. (FOIL stands for First, Outer, Inner, and Last.) Several examples are given and students can practice using the online worksheet.
Help Algebra
Help algebra.com: Positive Integer Exponents
The Product of a Power and Power to a Power laws of exponents are introduced. Examples are included to demonstrate how to simply expressions with these laws.
CK-12 Foundation
Ck 12: Algebra: Simplification of Radical Expressions
[Free Registration/Login may be required to access all resource tools.] This lesson covers adding, subtracting, and multiplying square roots.
Illustrative Mathematics
Illustrative Mathematics: Video Game Scores
Standard 5.OA.2 asks students to "Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them." This task asks students to exercise both of these complementary skills,...
Help Algebra
Help algebra.com: Getting Rid of Parentheses
Resource explains how to simplify several types of expressions that contain expressions using the properties of addition and multiplication and applying the properties with the order of operations.
CK-12 Foundation
Ck 12: Algebra: Exponential Properties Involving Quotients
[Free Registration/Login may be required to access all resource tools.] Learn how to apply basic properties of exponents in quotients.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Subtracting Real Numbers
A good refresher on how to perform subtraction with real numbers. Covers subtracting numbers with the same and different signs and simplifying expressions that have subtraction. View sample problems and complete practice exercises.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Multiplying Polynomials
A tutorial that shows you how to multiply polynomials and how to use the FOIL method when multiplying binomials.
ClassFlow
Class Flow: Distribute and Simplify
[Free Registration/Login Required] This one is a beginner flipchart on Distribution and Simplification.