EngageNY
Lines That Pass Through Regions
Good things happen when algebra and geometry get together! Continue the exploration of coordinate geometry in the third lesson in the series. Pupils explore linear equations and describe the points of intersection with a given polygon as...
EngageNY
Segments That Meet at Right Angles
Can segments be considered perpendicular if they don't intersect? Learners look at nonintersecting segments on the coordinate plane and make conclusions about the lines that contain those segments. They determine if they are...
EngageNY
Piecewise Functions
Show your class members that if they can graph a linear function, they can graph an absolute value function. Groups create an absolute value graph using a table, then entertain the idea of an absolute value function defined as two pieces...
EngageNY
Linear Transformations as Matrices
Don't stop with two-dimensional learning, go to the next dimension! Learners verify that 3x3 matrices represent linear transformations in the third dimension. Additionally, they verify the algebraic properties that extend to vector...
EngageNY
Vectors and Translation Maps
Discover the connection between vectors and translations. Through the lesson, learners see the strong relationship between vectors, matrices, and translations. Their inquiries begin in the two-dimensional plane and then progress to the...
EngageNY
Vectors and Stone Bridges
What does it take to build a stable arch? Pupils apply vectors and physics as they examine arched bridges and their structural integrity. They use vectors to represent the forces acting on the stone sections and make conclusions based on...
EngageNY
Using Matrix Operations for Encryption
Data encryption is an important security measure for sensitive data stored on computers. Pupils learn how to utilize matrices for creating code. They also get a great review of matrix multiplication, inverse matrices, and the identity...
EngageNY
Matrix Addition Is Commutative
Explore properties of addition as they relate to matrices. Using graphical representations of vector matrices, scholars test the commutative and associative properties of addition. They determine if the properties are consistent for...
EngageNY
Congruence Criteria for TrianglesâAAS and HL
How can you prove it? Guide classes through an exploration of two possible triangle congruence criteria: AAS and HL. Learners connect this criteria to those previous learned and also explore criteria that does not work. The lesson...
EngageNY
Graphing Quadratic Functions from Factored Form
How do you graph a quadratic function efficiently? Explore graphing quadratic functions by writing in intercept form with a lesson that makes a strong connection to the symmetry of the graph and its key features before individuals write...
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.
EngageNY
Estimating Digits in a Quotient
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The lesson shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the division. Some...
Digital Public Library of America
Frederick Douglass and Abraham Lincoln
Frederic Douglass and Abraham Lincoln, although dissimilar in their backgrounds, were united in their views about slavery. A set of 14 primary sources permits scholars to examine the views of these two powerful men.
Digital Public Library of America
Ida B. Wells and Anti-Lynching Activism
A packet of 13 primary sources provides young historians with insight into the anti-lynching activism of civil rights Ida B. Wells. Included are images of Wells, her letters, a political cartoon, newspaper lynching announcements, and a...
Digital Public Library of America
Voting Rights Act of 1965
Despite the passing of the Thirteenth, Fourteenth, and Fifteenth Amendments, as well as the passing of the Voting Rights Act of 1965, the struggle to ensure fair voter registration and election procedures continues. Young historians...
Curated OER
Discussion Questions for Shakespeare's Julius Caeser
Do not let Julius Caesar be Greek to your pupils. Rather, make the play a dish fit for hungry minds. Encourage your class members to lend their ears to a series of rich discussion questions so that they can become masters of the play, as...
Curated OER
Making Clouds
In collaborative groups, mini-meteorologists investigate the conditions that must be present for clouds to form: cooling air, water vapor, and condensation nuclei. In addition to procedures, a chart for observations and some follow-up...
Curated OER
Forming Open-Ended Questions
Help readers learn to create their own open-ended questions for any text you are working with. Using Bloom's Taxonomy, learners begin on the lower levels and work their way up to form questions that focus on synthesis instead of simple...
Curated OER
Flowers for Algernon: RAFT
Should Charlie undergo an operation to increase his intelligence? A mini-lesson plan for a unit on Daniel Keyes novel Flowers for Algernon uses a RAFT activity, which prompts students to write a letter to Charlie's doctors explaining why...
Curated OER
Creador de Oraciones
Start by selecting a topic. What do you want your class to learn more about? Then, distribute this helpful note-taking guide. They record their topic, a list of names that could be associated with it, a list of verbs that come up when...
Curated OER
Popular Culture & Diversity
The topic of cultural diversity is explored with the use of pop songs and lyrics. As a way to celebrate Harmony Day, small groups read, reflect, and present their opinions on how the lyrics they analyzed have expressed a statement of...
National Gallery of Canada
Urban Scenes
Select a theme together to guide and inspire works of art. Class members view images of art and discuss the images of cities. After choosing a theme, individuals create posters that reflect and contribute to the theme. They can use paint...
John F. Kennedy Presidential Library & Museum
Recipe for an Inaugural Address
An inaugural address represents the first moments of a new beginning. Using John F. Kennedy's speech as a model for guided practice, groups examine the ingredients of an inaugural address. Individuals then repeat the analysis process...
Howard Hughes Medical Institute
Developing an Explanation for Mouse Fur Color
Whether or not you think mice are nice, you'll love the colorful activity! Scholars examine evidence for evolution in the rock pocket mouse through video, discussion, and collaborative work. Learners watch a video regarding variation in...