Khan Academy
Khan Academy: Us History: 1945 1980: Introduction to the Civil Rights Movement
Learn about the origins, strategies, and unfinished business of the Civil Rights Movement in the United States.
Cuemath
Cuemath: Less Than or Equal To
In this mini-lesson, we will explore the concept of 'less than or equal to'. We will be covering less than or equal to symbol in words, less than or equal to examples, and greater than symbol in a sentence. Included are solved examples...
Purple Math
Purplemath: Solving Rational Inequalities
Demonstrates the factor-table method for solving rational inequalities.
Wolfram Research
Wolfram Math World: Algebra
MathWorld provides a basic overview of Algebra. Includes a few formulas and many links to related topics.
Windstream
Ojk's Precalculus Study Page: Linear Inequalities and Absolute Value
This tutorial demonstrates how to solve linear equalities. It also defines absolute value and demonstrates how to solve problems involving absolute value.
Sophia Learning
Sophia: Equations and Inequalities: Lesson 3
This lesson relates inequalities to equations. It is 3 of 6 in the series titled "Equations and Inequalities."
Sophia Learning
Sophia: Equations and Inequalities: Lesson 4
This lesson relates inequalities to equations. It is 4 of 6 in the series titled "Equations and Inequalities."
Sophia Learning
Sophia: Representing With Inequalities: Lesson 5
This lesson demonstrates how to use inequalities to represent information (i.e. verbal, graphical, etc.). It is 5 of 5 in the series titled "Representing with Inequalities."
Sophia Learning
Sophia: Representing With Inequalities: Lesson 2
This lesson demonstrates how to use inequalities to represent information (i.e. verbal, graphical, etc.). It is 2 of 5 in the series titled "Representing with Inequalities."
ClassFlow
Class Flow: Separate but Equal
[Free Registration/Login Required] Using a thorough Glossary of Terms, students discuss the idea of being separate but equal.
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.
ClassFlow
Class Flow: Graphing Inequalities
[Free Registration/Login Required] Students represent functional relationships using tables, equations, and graphs, and describe the connection among these representations.
ClassFlow
Class Flow: Equations
[Free Registration/Login Required] Students interpret algebraic equations and inequalities geometrically and describe geometric relationships algebraically.
Oswego City School District
Regents Exam Prep Center: Linear Inequalities
A complete review of linear inequalities interval notation, and compound inequalities. Several applications of the compound inequalities are given along with solutions and explanations. Links to sites assisting with graphing calculator...
Purple Math
Purplemath: Graphing Linear Inequalities Lesson: Y > Mx + B, Etc.
Demonstrates, step-by-step and with illustrations, how to graph linear (two-variable) inequalities.
Smithsonian Institution
Smithsonian Source: Civil Rights
The Smithsonian offers a variety of teaching supplements to be used in lessons on civil rights such as documents, teaching strategies, and historic photographs. Civil rights for other minorities are also discussed.
Curated OER
Biz/ed: Virtual Economy Glossary: Gini Coefficient and Lorenz Curve
Glossary of terms that contains gini coefficient and lorenz curve. Both definitions contain a clear graph, scroll down to the L's to find lorenz curve.
University of Regina (Canada)
University of Regina: Math Central: Reversing the Inequality Symbol
In response to a student question regarding the reversing of the inequality symbol, a method is presented in how one can avoid reversing the symbol.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: High School Basic Algebra Review
An overview of basic high school algebra topics can be found here. Absolute value, signed numbers, inequalities and equations, mixture problems, and direct and indirect variation are all listed, each with links to questions posed by...