EngageNY
Extending the Domain of Sine and Cosine to All Real Numbers
Round and round we go! Pupils use reference angles to evaluate common sine and cosine values of angles greater than 360 degrees. Once they have mastered the reference angle, learners repeat the process with negative angles.
Noyce Foundation
Pizza Crusts
Enough stuffed crust to go around. Pupils calculate the area and perimeter of a variety of pizza shapes, including rectangular and circular. Individuals design rectangular pizzas with a given area to maximize the amount of crust and do...
Noyce Foundation
Time to Get Clean
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
EngageNY
The Special Role of Zero in Factoring
Use everything you know about quadratic equations to solve polynomial equations! Learners apply the Zero Product Property to factor and solve polynomial equations. They make a direct connection to methods they have used with quadratic...
101 Questions
Stacking Cups
Facilitate an understanding of equality using a modeling task. After watching different-sized cups being stacked, learners use their math skills to determine when the height of each cup tower will be the same. Meant as an introduction to...
Virginia Department of Education
Solving Equations
Demonstrate the abstract process of solving equations by using algebra tiles as a concrete representation. Scholars begin by solving equations through the use of manipulatives. As they gain more confidence, they progress to...
Give and Let Live
Blood and Transplant: Blood
Why is blood donation so important, anyway? Science and health classes across multiple grades benefit from an in-depth look into the need for and process of blood donation. With an emphasis on presenting the topic in a non-threatening...
Curated OER
This Ain't No Tea Party!
Create food-safe bowls with your class, then organize a meal for the community using the class's bowls to serve. This lesson is based on the Empty Bowels Project, where school kids gain an understanding of global hunger through community...
EngageNY
An Appearance of Complex Numbers 1
Complex solutions are not always simple to find. In the fourth lesson of the unit, the class extends their understanding of complex numbers in order to solve and check the solutions to a rational equation presented in the first lesson....
Illustrative Mathematics
Lake Algae
Introduce learners to exponential growth with this real-world problem about algae that is rapidly spreading across a lake in a city park. The task presents the rate of growth and an end value and asks learners to determine what happened...
Curated OER
How does the solution change?
Four simple equations, each with two variables, try to get at the important question of reasoning about equations. The problem isn't to solve the equations, but to understand the nature of their solutions. These equations address the...
Polar Trec
Bering Sea Fabulous Food Chain Game
In spring, the Bering Sea turns green due to phytoplankton, which live at the surface, experiencing a population explosion. Groups of scholars play a food chain game, writing down food chains as the game is played. After five to six...
Curated OER
Small Talk Dialogues
Students study the rules for the use of infinitives and gerunds in written and spoken conversations. They devise a Small Talk dialogue and complete quizzes at their own rate.
Curated OER
Group Initiatives
Students explore the names and qualities about members in the group. They each say their name and something about themselves. Students gather around in a circle. They listen to the teacher as he or she says the name of someone and throws...
Curated OER
Complex Analysis: Path Independence
In this path independence worksheet, students evaluate contour integrals using the Cauchy-Goursat Theorem. This two-page worksheet contains approximately 5 problems.
Curated OER
Summer 1999, MA 123: Cumulative Review
In this math activity, students work to complete the review for a final part of an Algebra II class. The sheet has review problems.
Curated OER
It’s 12.00 O’clock!
Young scholars draw a picture of themselves and label specifically where they are and what they are doing. In this language arts lesson, students respond to the questions, "Where are you?" and "What are you doing?" Young scholars ask and...
Curated OER
Immigration
Students explore the concept of immigration. In this immigration lesson, students read literature, analyze photographs, and evaluate political cartoons that reflect feelings about immigration in America during Industrialization....
Curated OER
Numerical Analysis: Polynomial Interpolation
In this polynomial worksheet, students identify the interpolated and extrapolated value of given equations. This four-page worksheet contains approximately ten problems. Explanations and examples are provided.
Curated OER
Our National Documents
Young scholars consider the significance of selected American documents. In this civics lesson, students analyze excerpts of the Declaration of Independence, the U.S. Constitution, and the Bill of Rights.
Curated OER
Holocaust Education in the K-4 Classroom
Young scholars discuss Holocaust and complete KWL chart.
Curated OER
Questionnaires and Analysis
Students, review the techniques and different types of data analysis as well as how they are expressed, identify why facts and data are needed in conclusion of a questionnaire. The concepts of qualitative and quantitative data are...
Curated OER
Education for Global Peace
Fifth graders construct data graphs based upon sets of data. In this graphing lesson, 5th graders read the text If the World Were a Village and discuss how types of graphs accurately represent a large population. Students construct their...
Curated OER
Measurement of a Central Angle
Students calculate the measurement of a central angle. In this geometry lesson, students identify properties of circles. They use Cabri software to create and analyze graphs.