Curated OER
Bermuda Triangle
Young scholars explore what the Bermuda triangle is and the theories as to why it is so mysterious.  In this mystery lesson students read and discuss the history and the mystery behind the Bermuda Triangle. 
National Woman's History Museum
The Triangle Shirtwaist Fire
On March 25, 1911, 146 garment workers died in the Triangle Shirtwaist Factory fire. Class members use primary source documents to research the tragedy and how it lead to the creation of labor unions and new labor laws. As an exit...
DocsTeach
Analyzing Photographs of the Triangle Shirtwaist Factory Fire
While a catalyst for the labor movement, 146 people lost their lives in the Triangle Shirtwaist Factory Fire in 1913. A series of photographs of the aftermath of the tragedy help young historians consider the impact of the fire. The...
University of Wisconsin
Why Did the Triangle Fire Occur?
An investigation of the 1911 New York City Triangle Shirtwaist Factory fire leads class members to examine primary and secondary source materials related to the event and apply what they learn about the working conditions at the time to...
National First Ladies' Library
Fire! The Triangle Shirtwaist Factory Trial and It's Aftermath
Middle schoolers research, examine and are provided the opportunity to re-enact one of the most exciting trials of the 20th century, The Triangle Shirtwaist Factory Trial. They research the history of the trial and then divide into...
Curated OER
Triangle Shirtwaist Fire Tragedy
Young scholars research the Triangle Shirtwaist Fire. In this labor reform lesson, students research the fire and write a newspaper article report from the perspective of the time. Young scholars evaluate the perspective of the workers...
Curated OER
Triangle Fire and Labor Movement
Tenth graders, in groups, explore  the garment industry before, during, and after the Triangle Shirtwaist Fire to learn about the Labor Movement, unions, and some of the people who impacted working conditions for both adults and children...
Center for History Education
The Triangle Shirtwaist Factory Fire: Is Anyone to be Punished for This?
The stories of bodies falling to the pavement and girls dying in their seats echo to the present day. The New York City Triangle Shirtwaist Factory fire—which killed 147 people, mostly young women and girls—galvanized the labor movement...
Curated OER
What is an Iron Triangle?
Students discuss how interest groups, congress and the executive branch play a role in policy making to make up the Iron Triangle. They list the three points of the Iron Triangle and explain the role they have on public policy. Students...
Curated OER
The Triangle Shirtwaist Fire: 100 Years Later
Eleventh graders examine the impact of the Triangle Shirtwaist Fire.  In this American History lesson plan, 11th graders analyze various sources.  Students create a cartoon representing the impact of this fire on the United...
Curated OER
Economy vs. Humanity Exploring the Triangle Trade and The Middle Passage
Young scholars examine the economic factors of the Triangle Trade as they related to slavery in the US. They use primary sources to study the experience of Africans as they traveled through the Middle Passage.
Curated OER
Exploring the Triangle Trade and The Middle Passage
Students explore the economic factors surrounding slavery in the United States, such as the Triangle Trade.  In this American History lesson, students analyze primary sources such as narrative accounts and pictures, to gather...
Curated OER
Leadership Program in Discrete Mathematics
Students, using Pascal's triangle, find the number of items given each day in the song, "The 12 Days of Christmas."
Curated OER
Angles and Triangles
Eighth graders examine Jewish symbols. In this Holocaust instructional activity, 8th graders discuss the meanings behind the Swastika and the Star of David. Students also measure the angles and shapes with the symbols.
Curated OER
Cognitive Triangle Worksheet
What you tell yourself about an event can have a profound effect on what you actually do about it. Encourage learners to examine their thoughts, and how these thoughts eventually translate into feelings and actions, with a...
Curated OER
Why Did Transatlantic Slavery Exist?
Looking for a quick introduction to the transatlantic slave trade? A student-produced presentation outlines the history behind European involvement in the triangle trade.
Curated OER
How Fire Burns
Students observe teacher demonstration, discuss Fire Triangle, examine three things that fire needs to continue burning, including fuel, oxygen, and heat, and discuss how Stop, Drop, and Roll strategy is safest method of stopping...
Curated OER
Flying with Pythagoras
A lengthy narrative about Pythagoras and his students precedes an activity in which your young mathematicians practice using the Pythagorean theorem to solve three problems about flight and distance. Answers are provided. 
Curated OER
Abolition of Slavery
Students examine the Triangle Trade Route. In this slave trade lesson, students investigate the profits brought by the goods and people traded. Students also participate in a classroom activity that requires them to replicate how slaves...
Roy Rosenzweig Center for History and New Media
Slaves and Indentured Servants
In theory, at least, indentured servitude and slavery were two different practices in the American colonies. Class groups conduct a close reading of two primary source documents, one written by a slave and one by an indentured servant,...
Curated OER
Triangles Are Not Bad
Learners explore cultural diversity. In this multiculturalism lesson, students participate in a simulation that requires them to consider the implications of belonging to cliques and stereotyping others.
Curated OER
Triangular Trade and Its Effects
Students investigate the trade routes and investigate goods and services were transported along each route. Given a primary source document, that represents a personal story related to the triangle trade, they discuss given questions.
Curated OER
Progressives Perspectives
Eleventh graders consider the case for Progressive politics. In this Progressive Era lesson, 11th graders read excerpts from The Jungle as well as articles about the Triangle Shirtwaist Factory fire. Students also analyze images...
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