Center for History Education
Freedom for All? The Contradictions of Slavery and Freedom in the Maryland Constitution
Freedom for the few! An interesting instructional activity focuses on the Maryland Constitution and its lack of freedom for African Americans. Scholars examine the premise of freedom for all—which only extended to a limited few. ...
Curated OER
The Early American Contradiction
Students use the Constitution and Declaration of Independence to investigate the apparent contradictions between slavery and freedom. The activity looks at the reasons for the incorporation of slavery into early colonial life even with...
EngageNY
The Converse of the Pythagorean Theorem
Is it a right triangle or not? Introduce scholars to the converse of the Pythagorean Theorem with a lesson that also provides a proof by contradiction of the converse. Pupils use the converse to determine whether triangles with given...
EngageNY
There is Only One Line Passing Through a Given Point with a Given Slope
Prove that an equation in slope-intercept form names only one line. At the beginning, the teacher leads the class through a proof that there is only one line passing through a given point with a given slope using contradiction. The 19th...
Curated OER
Using Primary Source Documents
Students examine copies of primary source documents and determine the document's value to a researcher. They analyze and evaluate the document for bias or contradiction. They know the difference between a primary and secondary source.
Curated OER
Taking Up Arms and the Challenge of Slavery in the Revolutionary Era
Students examine a series of documents which discuss the contradiction in the Americans' rhetoric about slavery. They act as members of designated Committees of Correspondence in the five different colonies, communicating their...
Curated OER
Which Side Would You Be On?
Fourth graders describe how the French and Indian War resulted in expansion of United States Territory and analyze information from two or more sources for agreements, contradictions, facts, and opinions.
Curated OER
Freedom for All? The Contradictions of Slavery and Freedom in the Maryland
Students are be able to analyze the contrast between the rights and privileges referenced in the Declaration of Independence and the Maryland State Constitution in comparison to the rights and privileges of slaves. They are be able to...
Curated OER
African Amercan Images in Harlem (1920-1950)
Eleventh graders compare and contrast different representations of African Americans in Harlem using visual sources. They detect point of views, themes, contradictions and ironies in sources using designed templates.
Maryland Department of Education
The Concept of Diversity in World Literature Lesson 4: Proverbs
"Eneke the bird says since men have learnt to shoot without missing, he has learnt to fly without perching." As part of their study of Things Fall Apart, class members read Paul Hernadi and Francis Steen's essay, "The Tropical Landscapes...
EngageNY
Numbers Raised to the Zeroth Power
What in the world is the zeroth power? Examine the patterns of exponents as they apply to the zeroth power. Scholars apply the zero property to simple exponential expressions in this fourth activity in a series of 15. The examples...
EngageNY
Our Group Readers Theater: Managing the Sequence of Events in Our Script
Go with the flow. Scholars learn how using transition words and phrases helps their scripts flow smoothly. Readers think about connecting each section after determining the sequence for their readers' theater manuscripts from To Kill A...
Curated OER
The Puzzle of the Ice Age Americans
Students describe alternative theories for how the first humans came to the Americas, and explain evidence that supports or contradicts these theories. They examine the role of skepticism in scientific inquiries.
Curated OER
Writing Business Letters of Request
Tenth graders model proper format and elements of business letters. They review effective writing styles and write a request letter. Students also read a short story that includes conflict irony and symbolism They create a chart...
Curated OER
Learning to Master: Some Ideas from Tradition
Students explore the Biblical teachings. In this stewardship lesson plan, students cite passages from the Bible that promote philanthropy and identify Biblical texts that contradict one another.
Curated OER
Three for the Money: The Degree/Diameter Problem
Students explore the concept of vertex-edge graphs. In this vertex-edge graphs lesson plan, students try to construct a graph with a given diameter, number of vertices, size, and planarity. Students construct various vertex-edge graphs...
Curated OER
Power Play
Students explore their own attitudes and practices regarding energy use, and then examine the perspectives of others in order to develop their knowledge of the current political debate on energy policy. Students reflect on their own...
Curated OER
Indirect Proof and Inequalities in one Triangle
In this geometry worksheet, 10th graders complete an indirect proof and order the sides or angles of a triangle. Also, students determine if a triangle can have sides with the given lengths. The two page worksheet contains twelve...
EngageNY
Converse of the Pythagorean Theorem
Discover a new application of the Pythagorean Theorem. Learners prove and apply the converse of the Pythagorean Theorem in the 17th lesson in a 25-part series. The examples ask learners to verify right triangles using the converse of the...
North Carolina Consortium for Middle East Studies
Missing Pieces of the Puzzle: African Americans in Revolutionary Times
What's missing from most studies of the American Revolutionary War is information about the role African Americans played in the conflict. To correct this oversight, middle schoolers research groups like the Black Loyalists and Black...
Teach With Movies
Learning Guide to: Schindler's List
Take your history class through Schindler's List with a learning guide, which offers an introduction to the film and a variety of discussion questions and related assignments. There are several useful resources in the sidebar, such as a...
Curated OER
Adolescent Sleep
Students discuss, summarize, and express alternative positions regarding a study on adolescent sleep. They examine arguments for and against changing the school start time for high-school students, based upon the findings of a scientific...
Curated OER
Creating Civic Awareness Through Artistic and Literary Forms
Interpret current events using editorial cartoons and other print media. Middle schoolers explore the meanings of literary and artistic terms such as satire, irony, and caricature. They visit internet sites to develop an understanding of...
Curated OER
Science NetLinks: Adolescent Sleep
Wake up, sleepy head! High schoolers craft a creative presentation that represents how they feel when they wake up on a school morning. After the presentations, a reading of Academic Sleep Times and Academic Performance launches a...
Other popular searches
- Proof by Contradiction
- Proofs by Contradiction
- Contradiction and Math
- Contradiction Proofs
- Surd Proof by Contradiction
- Proofs of Contradiction
- Geometry by Contradiction
- Contradiction Lesson Plans
- Math Proofs by Contradiction