Varsity Tutors 
Varsity Tutors: Hotmath: Algebra Review: Properties of Inequalities
Find a quick, concise explanation of the properties of inequalities. Examples are given and clearly explained for each of the properties.
Wolfram Research
Wolfram Math World: Algebra
MathWorld provides a basic overview of Algebra. Includes a few formulas and many links to related topics.
Oswego City School District
Regents Exam Prep Center: Algebra Ii: Absolute Value Inequalities
Resources to help you plan classroom instruction on absolute value inequalities: a lesson with several examples and step-by-step solutions; a six-question quiz with answers; and a teacher resource with guidelines for setting up and...
CK-12 Foundation
Ck 12: Algebra: Words That Describe Patterns
[Free Registration/Login may be required to access all resource tools.] Translate a verbal expression into an algebraic equation or inequality.
Varsity Tutors 
Varsity Tutors: Hotmath: Algebra Review: Graphing Inequalities One Variable
Find a quick, concise explanation of how to graph a one variable inequality. An example is given and clearly explained.
Other
Algebra Practice Pages: Solving Inequalities
An interactive inequality solver allows you to practice solving problems that are randomly generated. You can practice on your own, then check your steps and the solution.
ClassFlow
Class Flow: Algebra
[Free Registration/Login Required] In this lesson students will review basic algebraic problem types (ex: values of variables, inequalities) used on standardized tests.
CK-12 Foundation
Ck 12: Algebra: Inequality Expressions
[Free Registration/Login may be required to access all resource tools.] Write inequalities represented by a graph and graph inequalities on a number line.
CK-12 Foundation
Ck 12: Algebra: Inequality Expressions
[Free Registration/Login may be required to access all resource tools.] Learn how to express inequalities using various notation and by graphing.
Khan Academy
Khan Academy: Inequality From Graph
Practice choosing inequalities that represent a graph.
CK-12 Foundation
Ck 12: Algebra: Inequality Expressions
[Free Registration/Login may be required to access all resource tools.] Learn how to express inequalities using various notation and by graphing.
Khan Academy
Khan Academy: Two Step Inequality Word Problems
Practice constructing, interpreting, and solving linear inequalities that model real-world situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Algebra: Inequalities on a Number Line
[Free Registration/Login may be required to access all resource tools.] Use a number line to graph inequalities
CK-12 Foundation
Ck 12: Algebra: One Step Inequalities
[Free Registration/Login may be required to access all resource tools.] In this lesson, students solve inequalities and graph their solutions. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Algebra: Applications With Inequalities
[Free Registration/Login may be required to access all resource tools.] Solve inequalities and represent the solution in equation notation, set notation, interval notation, or solution graph. Students examine guided notes, review guided...
CK-12 Foundation
Ck 12: Algebra: Multi Step Inequalities
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve inequalities that involve more than one step to isolate the variable and graph the solution. Students examine guided notes, review...
CK-12 Foundation
Ck 12: Algebra: Applications With Inequalities
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve real-world problems involving inequalities. Students watch a video tutorial, explore guided notes and attempt practice...
CK-12 Foundation
Ck 12: Algebra: Checking Solutions to Inequalities
[Free Registration/Login may be required to access all resource tools.] On this site students learn to verify that solutions to inequalities are correct. Students can watch video tutorial, look at key vocabulary and attempt practice...
CK-12 Foundation
Ck 12: Algebra: Inequalities With the Distributive Property
[Free Registration/Login may be required to access all resource tools.] Students will use the distributive property to solve inequalities. Students can master the concept by watching videos, examining guided notes, reviewing vocabulary...
CK-12 Foundation
Ck 12: Algebra: Applications With Inequalities
[Free Registration/Login may be required to access all resource tools.] In this lesson students write and solve multi-step inequalities, including compound inequalities, when given problem situations. Students watch a video tutorial,...
CK-12 Foundation
Ck 12: Algebra: Inequalities on a Number Line
[Free Registration/Login may be required to access all resource tools.] Write and graph inequalities
CK-12 Foundation
Ck 12: Algebra: Systems of Linear Inequalities Study Guide
This comprehensive study guide highlights the main terms and formulas needed to understand systems of linear inequalities. Examples are included.
CK-12 Foundation
Ck 12: Algebra Ii: 6.7 Testing a Single Mean Hypothesis
Test the single mean hypothesis in this exercise.
CK-12 Foundation
Ck 12: Algebra: Inequalities With Addition and Subtraction
[Free Registration/Login may be required to access all resource tools.] Solve inequalities using addition or subtraction