EngageNY
Points of Concurrencies
You say that perpendicular bisectors intersect at a point? I concur! Learners investigate points of concurrencies, specifically, circumcenters and incenters, by constructing perpendicular and angle bisectors of various triangles.
Curated OER
The Pythagorean Theorem and Classifying Triangles
Through the examination of the relationship between the lengths of the sides of a triangles learners will learn the classification of triangles (acute, right, or obtuse).
Curated OER
Chairs Around the Table
Youngsters become flexible problem solvers with this challenging lesson. If there are 24 square tables in a restaurant, how many customers can be seated at one time? They can use manipulatives or draw pictures to help them find the...
Curated OER
Lines of Best Fit
Students explore the concept of line of best fit. In this line of best fit lesson, students find lines of best fit in examples about riding your bike home from school and dentistry. Students find two data points and find the line of best...
Curated OER
Process This
Students chart the steps, including the problem-solving tangent, and discuss the idea of procedures serving to give us a "road map" or guide to help tackle tasks with preparation and forethought.
Curated OER
Seeing Is Believing
Students investigate the concepts of probability. They use data to find the central tendency, median, and mode. Students design and play a game in order to practice the concepts. They also complete a table with data that is analyzed.
Curated OER
Coming to Know F and C
Students collect temperatures using a probe and examine data. In this temperature instructional activity students complete an activity using a graphing calculator.
Curated OER
Algebra 1
Students study the functional relationships of a variety of problems. In this functional relationship lesson, students determine the dependent and independent quantities of a given set of data. Students record the data and write it in...
Curated OER
The Fourth Quadrant of Proportiona
Students experiment with scale to solve a problem presented in a video clip. They determine the correct size to use when constructing a model and evaluate the use of proportions in real life applications.
Curated OER
Translating Parabolas
Students make informed choices among technology systems, resources, and services. They select and apply technology tools for research, information analysis, problem solving, and decision making in content learning.
Curated OER
Mini-Economy
Third graders perform jobs in order to sustain their classroom community. After completing a brief overview of how local economies are sustained, they complete job applications for classroom jobs. Students perform their jobs throughout...
Curated OER
Using Computer for Statistical Analysis
Students examine the use for spreadsheets in analyzing data. They make spreadsheets that display and calculate a given data set such as temperature change.
Curated OER
Watch It Slide!
Students work together to examine inclined planes. They create a plan to raise rocks to build pyramids. They discover the changes that occur when the angle is increased or decreased.
Curated OER
Earth's Orbit Lesson
Tenth graders devise a computational model to explore how the orbit of the Earth might change if its velocity were different. Using accurately recorded data, 10th graders defend a scientific argument.
Curated OER
Bioremediation
Students design and conduct investigations that illustrate the effect bioremediation has on organic matter and determine environmental applications. They, in groups, present their findings to the class.
Curated OER
Parabola with Horizontal Directrix
Learners find the vertex, directrix, and focus of a parabola. They graph parabolic functions and solve application problems involving parabalas.
Curated OER
Evaluating the Products of Chords of a Circle
Students investigate chords and make predictions. In this geometry lesson, students graph circles and calculate the measurement of each chord. They perform the calculations and make conjectures.
Curated OER
Understanding Cloud Formation
Pupils explore air and clouds by watching demonstration. They perform an experiment to measure air pressure changes.
Curated OER
Using an Amortization Table
Students search the Internet to find a site that contains an amortization table and make a hypothesis about the results of changing time and rate. They examine the affects of time and rate on a mortgage and discuss the difference in the...
Curated OER
Fences and Posts
Fifth graders use Geoboards to demonstrate how shapes can be made by looping the rubber bands over the nails. They make a triangle on their Geoboards. At least one side of the triangle should be either horizontal or vertical. The picture...
Curated OER
Filling in the Picture
Young scholars study archaeological sites. They discover some of the problems inherent in choosing sites and what parts are chosen for excavation. They evaluate and explain their choices for study and articulate the process of...
National Research Center for Career and Technical Education
Break-Even Point
How do companies determine the prices of their products? Marketing maestros discover the concepts of cost and break-even point through discussion, independent practice, and a collaborative assessment. The career and technology-oriented...
Curated OER
Linear Modeling: Functions
Students analyze linear functions. In this algebra lesson, students create a linear model to relate coordinate pairs. They evaluate and solve equations.
Curated OER
Art Dates
Students use a timeline to measure intervals and calculate the age of works of art.