Interactive
Varsity Tutors

Varsity Tutors: Aplusmath: Inequality Flashcards

For Students 1st - 6th
Students create inequality flashcards to practice choosing the correct inequality sign.
Handout
University of Georgia

University of Georgia: Inter Math: Triangle Inequality

For Students 9th - 10th
This site has a description of the triangle inequality theorem along with a visual representation, and animation explaining the triangle inequality rule with the radii of circles at the segment endpoints. Links to related terms, more...
Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Meaning of an Absolute Value Inequality

For Students 9th - 10th Standards
"Dr. Math" presents an in-depth discussion of the meaning of an absolute value inequality. The discussion tries to clarify some of the mis-conceptions surrounding absolute value.
Website
University of Richmond

Renewing Inequality: Family Displacements Through Urban Renewal: 1955 1966

For Students 9th - 10th
This website uses graphics to explain the effects of family displacements through urban renewal resulting in renewing inequality.
Handout
Wolfram Research

Wolfram Math World: Triangle Inequality

For Students 9th - 10th
This MathWorld site gives a good explanation of triangle inequality. The reader should be familiar with summation notation.
Activity
Texas Instruments

Texas Instruments: Triangle Inequality Theorem

For Teachers 9th - 10th
In this activity, students will explore the concepts underlying the Triangle Inequality Theorem by comparing side lengths and angle measures of a triangle. They will use an interactive construction to see why this theorem is true.
Activity
Texas Instruments

Texas Instruments: Triangle Inequality

For Teachers 9th - 10th
In this activity the Students can use Cabri Jr. to investigate the Triangle Inequality Theorm and make conjectures about their findings.
Activity
Texas Instruments

Texas Instruments: Inequality Graphing App

For Teachers 9th - 10th
This activity investigates the use of the Inequality Graphing App of the TI-83 Plus/TI-84 Plus to solve a linear programming problem.
Handout
US Census Bureau

U.s. Census Bureau: Income Inequality

For Students 9th - 10th
This U.S. Census Bureau site is a brief look at U.S. Income Inequality and includes links to full reports and census data explaining this issue. It is a good site for the serious student.
Graphic
Discovery Education

Discovery Education: Web Math: Plot/graph an Inequality

For Students 9th - 10th Standards
This site provides a step-by-step process to graph an inequality. Simply type in your expression, and the website will graph the expression as well as explain how and why it did what it did.
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Khan Academy

Khan Academy: Two Step Inequality Word Problems

For Students 6th - 8th
Try some self-correcting practice two-step inequality word problems.
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Khan Academy

Khan Academy: Two Step Inequality Word Problems

For Students 7th Standards
Practice solving two-step inequality word problems.
Unit Plan
Math Is Fun

Math Is Fun: Solving Inequality Word Questions

For Students 7th Standards
This tutorial models how to solve word problems which state that one unknown variable is greater or less than another. Includes detailed explanations of sample problems and ten practice questions to try.
PPT
Sophia Learning

Sophia: What Is an Inequality?

For Students 6th - 8th
This lesson defines the term inequality.
Activity
Trinity University

Trinity University: Time and Social Inequality

For Students 9th - 10th
This site talks about gender roles in today's society. Provided is a chart showing percentages of men and women to different tasks like cleaning and cooking.
Interactive
University of Richmond

American Panorama: Mapping Inequality Redlining in New Deal America

For Students 9th - 10th
Redlining is the act of making it difficult or impossible for people in certain areas to access mortgage financing and thus become homeowners. In between 1935-1940 the Home Owners' Loan Corporation staff members assigned grades to...
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That Quiz

That Quiz: Practice Test: Inequality

For Students 9th - 10th
This resource allows users to test their knowledge of inequalities. Activities include integers, addition, subtraction, multiplication, division and negative numbers. There are 12 levels of difficulty and the tests may be taken with or...
Unit Plan
Study Languages

Study Spanish: Comparisons of Inequality

For Students 9th - 10th
This site is an online lesson on comparisons of inequality, using "mas" and "menos" with adjectives, adverbs, and nouns. A great explanation of when to use "de" and "que" with numbers. The lesson is thorough and easy to understand, with...
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Solving a Logarithmic Inequality

For Students 9th - 10th
"Dr. Math" from Drexel University responds to a student question about solving a logarithmic inequality.
Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Triangle Inequality

For Students 9th - 10th
Dr. Math gives a hint of how to prove the triangle inequality theorem when answering a question posed about proving an absolute value problem using the triangle inequality theorem.
Activity
University of Regina (Canada)

University of Regina: Math Central: Solving Absolute Value Inequality

For Students 9th - 10th
In response to a student submitted problem that involves an absolute value inequality, a solution to the problem with an explanation of steps is given for you to follow. Site by University of Regina.
Handout
Math Open Reference

Math Open Reference: Triangle Inequality Theorem

For Students 9th - 10th
Explore the triangle inequality theorem with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Handout
Math Open Reference

Math Open Reference: Triangle Inequality Theorem Converse

For Students 9th - 10th
Learn about the Triangle Inequality Theorem Converse with this helpful reference tool. Provides a definition and interactive that enhance further explanation. Includes links to related topics.
Website
Other

Inequality.org

For Students 9th - 10th
This site is dedicated to teaching people about the potential problems with an increasingly unequal distribution of income. The site exposes greed and excess, and includes a variety of links.

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