The corrupting influence of slavery on marriage and the family is a predominant theme in Solomon Northup's narrative Twelve Years a Slave. In this lesson, students are asked to identify and analyze narrative passages that provide evidence for how slavery undermined and perverted these social institutions. Northup collaborated with a white ghostwriter, David Wilson. Students will read the preface and identify and analyze statements Wilson makes to prove the narrative is true.

This lesson focuses on the slave narrative of Solomon Northup, a free black living in the North, who was kidnapped and sold into slavery in the Deep South. Slave narratives are autobiographies of former slaves that describe their experiences during enslavement, how they became free, and their lives in freedom. Because slave narratives treat the experience of one person, they raise questions about whether that individual's experiences exceptional.

Students build their own two-cell batteries. They also determine which electrolyte solution is best suited for making batteries.

Both of the questions in this task are solved by the division problem 12Ö3 but what happens to the ribbon is different in each case.

In this task, we are given the graph of two lines including the coordinates of the intersection point and the coordinates of the two vertical intercepts, and are asked for the corresponding equations of the lines. It is a very straightforward task that connects graphs and equations and solutions and intersection points.

This task provides an opportunity for students to construct linear and exponential functions, including arithmetic and geometric sequences, given a graph, a description of a relationship, or two input-output pairs (include reading these from a table).

This task provides an opportunity for students to construct linear and exponential functions, including arithmetic and geometric sequences, given a graph, a description of a relationship, or two input-output pairs (include reading these from a table).

This art history video features a conversation between Dr. Elizabeth Macaulay-Lewis and Dr. Steven Zucker in front of "Two Royal Figures," Iran (Saljuq period), mid 11th - mid 12th c., painted and gilded stucco (Metropolitan Museum of Art).

Students learn more about magnetism, and how magnetism and electricity are related in electromagnets. They learn the fundamentals about how simple electric motors and electromagnets work. Students also learn about hybrid gasoline-electric cars and their advantages over conventional gasoline-only-powered cars.

This classroom task is meant to elicit a variety of different methods of solving a quadratic equation (A-REI.4).

This short video and interactive assessment activity is designed to give fourth graders an overview of metric capacity operations.

In this activity students compare an eighteenth-century print of a slave ship and a table of data about the voyages of the slave ship to draw facts and make inferences about the transatlantic slave trade. This activity was designed for the Smartboard, but it can be completed without a Smartboard.

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 combines two skills from domain G-C: making use of the relationship between a tangent segment to a circle and the radius touching that tangent segment (G-C.2), and computing lengths of circular arcs given the radii and central angles (G-C.5). It also requires students to create additional structure within the given problem, producing and solving a right triangle to compute the required central angles (G-SRT.8).

Tá Falado includes 46 podcast lessons on the pronunciation and grammar of Portuguese, specifically designed to help those who already speak Spanish. The lessons are built around Portuguese dialogs that are repeated in Spanish, providing a direct comparison of the two languages. All lessons include downloadable PDF files with the transcripts and notes, mp3 audio files, and blog discussions. Additionally all of the dialogs present cultural scenarios that illustrate differences between North American and Brazilian culture.

What is economics and why should you spend your time learning it? After all, there are other disciplines you could be studying, and other ways you could be spending your time. As the Bring it Home feature just mentioned, making choices is at the heart of what economists study, and your decision to take this course is as much an economic decision as anything else.

Economics is probably not what you think it is. It is not primarily about money or finance. It is not primarily about business. It is not mathematics. What is it then? It is both a subject area and a way of viewing the world.

U-Lab: Leading Profound Innovation for a More Sustainable World is an interactive and experiential class about leading profound innovation for pioneering a more sustainable economy and society. The class is organized around personal reflection practices, relational practices, and societal practices. It focuses on the intertwined relationship between the evolution of capitalism, multi-stakeholder innovation, and presencing.

Principles for the Design of Mathematics Curricula:
Promoting Language and Content Development

This course is for students who want to know how the dollars we spend on national security relate to military forces, systems, and policy choices, and who wish to develop a personal tool kit for framing and assessing defense policy alternatives.