Khan Academy
Khan Academy: Graphs of Inequalities
Graph two-variable linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Purple Math
Purplemath: Linear Programming: Introduction
Linear programming is a part of a very important area of mathematics called "optimization techniques". This field of study (or at least the applied results of it) are used every day in the organization and allocation of resources. Linear...
Other
Civil Rights Teaching
Online companion to the book "Putting the Movement Back into Civil Rights Teaching", but many useful resources for any classroom.
Math Open Reference
Math Open Reference: Triangles
A complete reference guide to types of triangles and triangle perimeter and area. It provides definitions and interactive animated activities that enhance further explanation.
University of Georgia
University of Georgia: Inter Math: Linear Equation
This site defines a linear equation in a very basic and understandable way. The opening page gives examples of linear equations and questions posed to the reader which may be answered easily by examining the definition given. Be sure to...
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: 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...
CommonLit
Common Lit: Book Pairings: "Fences" by August Wilson
The play "Fences" explores the complex relationships of a 1950s middle-class, African American family and how they deal with issues of financial hardship, infidelity, and insecurities. Selected (7) reading passages (grades 7-11) to pair...
CK-12 Foundation
Ck 12: Algebra: Checking Solutions to Inequalities
[Free Registration/Login may be required to access all resource tools.] This lesson covers graphing and solving basic inequalities. Students watch a video tutorial, explore guided notes and attempt practice problems.
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,...
Independence Hall Association
U.s. History: The Great Depression
Read a brief overview of the causes of the Great Depression. See that there were several reasons which fed on each other to plunge the country into economic chaos.
Digital History
Digital History: Why It Happened
How did a country with such a booming economy in the 1920s sink into economic disaster in the 1930s? Prosperity was just an illusion. See the many causes of the Great Depression, and find out how all the signs were missed or disregarded.
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: Geometry: Comparing Angles and Sides in Triangles
[Free Registration/Login may be required to access all resource tools.] This concept teaches students the relationship between opposite angles and sides in triangles and how to use this relationship to compare triangles. students examine...
Council for Economic Education
Econ Ed Link: Income Distribution
This video teaches the concept of Income Distribution. Income distribution refers to how the total income earned ends up divided over members of the economy. The website contains an interactive quiz and links for related lesson plans.
Council for Economic Education
Econ Ed Link: It Ain't Where You Start, It's What You Got, and Where You End
This year's federal elections will involve electing a president, all members of the House of Representatives, and one-third of the Senate. Barring some international crisis, economic issues appear likely to dominate the debates. In past...
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