[Free Registration/Login Required] Advanced Placement U.S. History learning module and study guide on foreign and domestic events between 1945 and 1980. A comprehensive tool includes a number of videos, essays, historical documents and interactive timeline.

[Free Registration/Login Required] Advanced Placement U.S. History learning module on Civil War era America and the transformation of society, 1844-1877. Comprehensive study tools include videos, essays, primary source documents, and timeline.

[Free Registration/Login Required] Learning module with comprehensive, multi-media resources for Advanced Placement U.S. History, 1800-1848. Topic covers changes associated with the emergence of democracy, advances in technology and distribution of goods, and the shaping foreign policy.

[Free Registration/Login Required] In depth study guide within multi-media learning module for Advanced Placement U.S. History course on contemporary America, 1980 to present. Extensive resources include videos, primary source documents, essays and interactive timeline.

[Free Registration/Login Required] Learning tool for advanced US History course covering the period 1491-1607. Site offers videos, essays, timelines, primary source materials and photographs for a comprehensive study.

[Free Registration/Login Required] Learning module for Advanced Placement U.S. History course material for 1890-1945. Comprehensive study guide with multi-media sources including, videos, essays, historical documents and timeline.

[Free Registration/Login Required] AP U.S. History study guide on the social, cultural, economic and political changes that occured during the period of American expansion, industrializtion, and urban migration, 1865-1898. Learning module contains complete course of study with videos, essasy, primary source materials and timeline.

[Free Registration/Login Required] Comprehensive learning module for AP U.S. History on the imperial struggle over control of the American colonies, the emergence of a new republic, and the developing social, political and economic identity. Includes an array of video, essay, timeline and primary source documents.

[Free Registration/Login Required] Advanced placement U.S. History learning module on the emerging colonial and native societies between 1607-1754. Resources for students include video, essays, timeline and primary source documents.

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

This task provides a simple but interesting and realistic context in which students are led to set up a rational equation (and a rational inequality) in one variable, and then solve that equation/inequality for an unknown variable.

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Consider three points in the plane, $P=(-4, 0), Q=(-1, 12)$ and $R=(4, 32)$. Find the equation of the line through $P$ and $Q$. Use your equation in (a...

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Jason and Arianna are working on solving the equations \begin{align} 6x + 17y &= 100\\ 5x + 9y &= 86. \end{align} Rounding their answer to the nearest ...

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Without graphing, construct a system of two linear equations where $(-2,3)$ is a solution to the first equation but not to the second equation, and whe...

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: What is the sum of all integer solutions to $1\lt (x-2)^2\lt 25$?...