Free Math Help
Free Math Help: Substitution
Students investigate the substitution process of replacing a variable in an expression with its actual value.
Interactive Mathematics
Interactive Mathematics: Special Products
Several special products are presented here, including expressions with two variables, squaring binomials and trinomials, and products involving cubes.
CK-12 Foundation
Ck 12: Algebra: Raising a Product or Quotient to a Power
[Free Registration/Login may be required to access all resource tools.] Evaluate radical expressions and write them in simplest radical form.
Wyzant
Wyzant: Equation Calculator
Students can input an equation and have the site solve it for them, complete with steps shown and explanations given along the way. Equations must be simple, first- or second-degree with only one variable. A quick list of rules to follow...
Education Place
Houghton Mifflin: Eduplace: Extra Practice Quiz Using Formulas 2
Practice picking and using the correct formula for finding the solution for each of the examples presented. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try...
![Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: Positive and Negative [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: Positive and Negative [Pdf] Unknown Type")
Houghton Mifflin Harcourt
Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: Positive and Negative [Pdf]
Order of operations with positive and negative numbers is the focus of this graphing calculator lesson. Included are detailed examples, demonstrations of key functions, and practice problems. Acrobat Reader required.
Math Open Reference
Math Open Reference: Equation
Learn about equations with this helpful reference tool. Provides a detailed definition and examples that enhance further explanation.
Khan Academy
Khan Academy: Special Products of Binomials
Find special products (perfect squares and difference of squares) of "advanced" binomials: binomials with leading coefficients other than 1; binomials with higher degrees; and binomials with two variables. Students receive immediate...
Khan Academy
Khan Academy: Equations & Inequalities Word Problems
Construct an equation or an inequality that model a given context. Modeling expressions can be quadratic, rational, or exponential.
Wyzant
Wyzant: What Is Simplifying?
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...
CK-12 Foundation
Ck 12: Algebra: When to Use the Distributive Property
[Free Registration/Login may be required to access all resource tools.] Learn to identify when to use the Distributive Property.
Illustrative Mathematics
Illustrative Mathematics: 6.ee Rectangle Perimeter 1
This tasks gives a verbal description for computing the perimeter of a rectangle and asks the students to find an expression for this perimeter. They then have to use the expression to evaluate the perimeter for specific values of the...
Illustrative Mathematics
Illustrative Mathematics: G Mg Toilet Roll
Picture a roll of toilet paper; assume that the paper in the roll is very tightly rolled. Assuming that the paper in the roll is very thin, find a relationship between the thickness of the paper, the inner and outer radii of the roll,...
Lesson Tutor
Lesson Tutor: A Beginning Look at Basic Algebra
Twelve lessons are provided as an introduction to basic algebra. Each covers the topic clearly, providing examples with explanations as well as practice problems and their solutions for the user. Topics highlighted here include: solving...