Illustrative Mathematics
Illustrative Mathematics: 6.ns Integers on the Number Line 2
Sixth graders examine negative numbers and their relationships in inequalities in this problem. Aligns with 6.NS.C.7.a.
CK-12 Foundation
Ck 12: Geometry: Comparing Angles and Sides in Triangles
[Free Registration/Login may be required to access all resource tools.] In this lesson students compare sides and angles in triangles. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
Purple Math
Purplemath: Solving Quadratic Inequalities: Concepts
Introduces a conceptual basis for solving quadratic inequalities, looking at linear inequalities and using a knowledge of what quadratic graphs look like.
Better Lesson
Better Lesson: Subtraction Number Stories Day 2
Students will be able to create their own number stories and represent them using one of the methods we have learned in this unit.
Better Lesson
Better Lesson: Subtraction Number Stories Day 1
Students will be able to create their own number stories and represent them using one of the methods we have learned in this unit.
Geometry Help
Geometry Help: Hinge Theorem
Provides a detailed definition of the Hinge Theorem with step-by-step instructions and methods for solving problems on your own.
Massachusetts Institute of Technology
Mit: Poverty in America [Pdf]
Discover the numbers behind poverty in America in the 1950s. Read about those who were in poverty, where they lived, and find out if things have improved over the decades. [pdf]
Government of Alberta
Learn Alberta: Linear Programming Graph
This interactive Java applet allows the user to construct up to 5 linear inequalities and view the graph of the soultion.
History Link
Bertha Pitts Campbell: An Oral History
From the Washington State Oral History Project comes this captivating interview with Bertha Pitts Campbell, an African American woman and early Seattle civil rights worker. Campbell talks about the discrimination and segregation she...
Internet History Sourcebooks Project
Fordham University: Modern History Sourcebook: Susan B. Anthony
Read women's rights activist Susan B. Anthony's 1873 speech on women's right to vote, given the year after she was arrested for casting an illegal vote in the presidential election.
Digital History
Digital History: The South's Economy
A good look at the economy of the South prior to the Civil War. Read a good explanation of how the use of slave labor impeded technological innovation and a lack of urban development. See how transportion improvements and good public...
PBS
Pbs Learning Media: Two Brazils
In this Wide Angle video, two college hopefuls discuss the new racial quota system for applicants to the University of Brasilia.
PBS
Pbs Learning Media: Neeraj
Neeraj, a young girl in rural India who performs her household chores during the day and goes to school at night, is profiled in this video segment from Wide Angle.
Richland Community College
Rcc: Solving Inequalities Algebraically and Graphically
Straightforward explanations on how to solve inequalities. Includes linear inequalities, double inequalities, absolute value inequalities, polynomial inequalities, and rational inequalities.
Vassar College
Vassar College: 1896: Socialism
This website from Vassar College for Political Cartoons offers a look at Socialism in 1896 with special attention to the thoughts of Eugene V. Debs.
Smithsonian Institution
National Museum of American History: Students "Sit" for Civil Rights
Read the book, "Freedom on the Menu" about the Greensboro Sit-Ins and use the background information and follow up activities provided to enhance the story.
Texas Instruments
Texas Instruments: Quadratic Inequalities
Students solve quadratic inequalities using graphs, tables, and algebraic methods.
Texas Instruments
Texas Instruments: Inequalities, They Are Not Just Linear Anymore!
Students study quadratic relationships and explore the process of graphing quadratic inequalities and systems of quadratic inequalities. They will solve these inequalities algebraically and graph them on a coordinate plane.
PBS
Pbs Learning Media: Race and Politics
In this Wide Angle video, one of Brazil's few black senators discusses racial discrimination in Brazilian governmental, political and economic life.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Quadratic Inequalities
Using this tutorial, you'll learn two methods of solving quadratic inequalities: using a sign graph of factors and using the test-point method. Offers step-by-step written examples, and practice problems for you to complete.
Wikimedia
Wikipedia: Discrimination
An encyclopedic definition of discrimination, an examination of the many different types, and a discussion of different theories.
Math Medics
S.o.s. Math: Solving Inequalities: Basic Rules
Explains the basic rules for solving inequalities. Gives examples and exercises with solutions to practice this skill.
Wikimedia
Wikipedia: Lorenz Curve
This website describes what a Lorenz curve is, and shows what it would look like graphically. A mathematical formula is also given.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Ecuaciones Sistemas E Inecuaciones
Interactive exercises to supplement classroom instruction to solve equation of second degree or higher and also inequalities.
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