EngageNY
Sine and Cosine of Complementary Angles and Special Angles
Building trigonometric basics here will last a mathematical lifetime. Learners expand on the previous lesson in a 36-part series by examining relationships between the sine and cosine of complementary angles. They also review the...
EngageNY
General Pyramids and Cones and Their Cross-Sections
Are pyramids and cones similar in definition to prisms and cylinders? By examining the definitions, pupils determine that pyramids and cones are subsets of general cones. Working in groups, they continue to investigate the relationships...
School Improvement in Maryland
Supreme Court Case Overview I
As part of a study of the 14th Amendment to the United States Constitution, class members examine four Supreme Court decisions—Gitlow v. New York, Mapp v. Ohio, Gideon v. Wainwright, and Griswold v. Connecticut—that incorporated the due...
School Improvement in Maryland
Court Proceedings Civil Cases
What's the difference between civil and criminal law? How do the court proceedings differ in these two types of trials? How do the standards of proof differ? Why do these differences exist? As part of their examination of the...
NASA
What’s the Problem with Isotropy?
Some patterns are so small, we can't see them without the help of technology. The same is true for cosmic microwave background radiation. During this activity and discussion, scholars examine both anisotropic and isotropic items and...
National WWII Museum
Dr. Seuss and WWII
What famous children's author and illustrator created World War II political cartoons featuring such subjects as fascism, the war effort, discrimination, and the dangers of isolationism? The who in this story is Dr. Seuss, and what...
Classroom Law Project
Who are the major candidates and where do they stand?
Who were the candidates in the 2008 US Presidential election and where did they stand on important issues? Use a resource that offers an opportunity to go back in time and examine candidates and issues involved in that election year.
Code.org
Check Your Assumptions
Always check your assumptions when interpreting data and data visualizations. That's the take away from this exercise. Class members examine a failed project that looks at search trends to predict flu outbreaks and consider the...
University of California
Euclidean Geometry
Go back to where it all began! Investigate how axiomatic systems and Euclidean geometry are based on undefined terms, common notions, postulates, and propositions by examining passages from Euclid's Elements. (Social studies teachers...
EngageNY
Structure in Graphs of Polynomial Functions
Don't allow those polynomial functions to misbehave! Understand the end behavior of a polynomial function based on the degree and leading coefficient. Learners examine the patterns of even and odd degree polynomials and apply them to...
EngageNY
Modeling a Context from Data (part 2)
Forgive me, I regress. Building upon previous modeling activities, the class examines models using the regression function on a graphing calculator. They use the modeling process to interpret the context and to make predictions...
Peace Corps
Defining Culture
How has culture shaped you? Middle and high schoolers examine different aspects of one's culture, including religious beliefs, social customs, and family traditions, and discuss the ways that their personalities have been formed by these...
Teach Engineering
Study Design for Air Quality Research
Provide your class with the tools they need to design a research project. Groups examine case studies to gain information about the process involved in designing a research project. They use materials provided to brainstorm and develop a...
EngageNY
Special Lines in Triangles (part 2)
Medians, midsegments, altitudes, oh my! Pupils study the properties of the median of a triangle, initially examining a proof utilizing midsegments to determine the length ratio of a median. They then use the information to find missing...
EngageNY
Translations
Learn through constructions! Learners examine a translation using constructions and define the translation using a vector. Pupils then construct parallel lines to determine the location of a translated image and use the vector as a guide.
Star Date
Shadow Play
Three activities make up a solar system lesson that features the sun, its light, and the shadows it produces. Scholars step outside to discover the changes shadows make at different times of day, take part in a demonstration of...
EngageNY
Sequences of Rigid Motions
Examine the various rigid transformations and recognize sequences of these transformations. The lesson asks learners to perform sequences of rotations, reflections, and translations. Individuals also describe a sequence that results in...
EngageNY
Truncated Cones
Learners examine objects and find their volumes using geometric formulas in the 21st installment of this 25-part module. Objects take the shape of truncated cones and pyramids, and individuals apply concepts of similar triangles to find...
Teach Engineering
Air Pollution in the Pacific Northwest
Scholars investigate levels of nitrogen dioxide in the Pacific Northwest by examining the role of nitrogen in air pollution and how remote sensing can be used to measure nitrogen levels. An Excel spreadsheet calculates the difference...
PBS
Breaking the Code: Actions and Songs of Protest
Ezell Blair, Jr., David Richmond, Franklin McCain and Joseph McNeil changed history. Their sit-in at the lunch counter of the Woolworths in Greensboro, North Carolina on February 1, 1960 became a model for the nonviolent protests that...
Royal Society of Chemistry
Chromium Oxidation States
Colorful chromium is captivating! Science sleuths solve a series of puzzles using an interactive resource. Individuals relate the oxidation states of chromium to the colors produced when the compound is placed in acidic or basic solutions.
Library of Congress
Thomas Jefferson's Library: Making the Case for a National Library
The United States Library of Congress, the largest library in the world. But such was not always the case. The library was destroyed during the War of 1812. In a persuasive letter to Samuel H. Smith, Thomas Jefferson offered to sell his...
Leadership Challenge
Mark Your Calendar
Do your actions reflect your values? Scholars examine their day-to-day activities versus their passions during the eighth installment in a series of 12 character-building lessons. After defining their values, participants create...
Facebook
Healthy Relationships Online
Chatting, texting, commenting—there are so many options for online communication! How do teens know what's appropriate? Social scholars collaborate to define the elements of a healthy online relationship during an activity-packed digital...