EngageNY
Families of Parallel Lines and the Circumference of the Earth
How do you fit a tape measure around the Earth? No need if you know a little geometry! Pupils begin by extending their understanding of the Side Splitter Theorem to a transversal cut by parallel lines. Once they identify the proportional...
Virginia Department of Education
Modeling Division of Fractions
Provide a meaningful context for learning about the division of fractions with this upper-elementary math lesson. Presented with a simple, real-world problem, young mathematicians work in small groups to develop visual models that help...
EngageNY
Describing the Center of a Distribution
So the mean is not always the best center? By working through this exploratory activity, the class comes to realize that depending upon the shape of a distribution, different centers should be chosen. Learners continue to explore the...
EngageNY
Summarizing Bivariate Categorical Data with Relative Frequencies
It is hard to determine whether there is a relationship with the categorical data, because the numbers are so different. Working with a familiar two-way table on super powers, the class determines relative frequencies for each cell and...
EngageNY
Special Relationships Within Right Triangles—Dividing into Two Similar Sub-Triangles
Why are right triangles so special? Pupils begin their study of right triangles by examining similar right triangles. Verifying through proofs, scholars recognize the three similar right triangles formed by drawing the altitude. Once...
EngageNY
Graphing Factored Polynomials
Young mathematicians graph polynomials using the factored form. As they apply all positive leading coefficients, pupils demonstrate the relationship between the factors and the zeros of the graph.
EngageNY
Overcoming a Third Obstacle to Factoring— What If There Are No Real Number Solutions?
Time for pupils to use their imagination! Learners examine the relationship between a system with no real solution and its graph. They then verify their discoveries with algebra.
EngageNY
Graphing the Sine and Cosine Functions
Doing is more effective than watching. Learners use spaghetti to discover the relationship between the unit circle and the graph of the sine and cosine functions. As they measure lengths on the unit circle and transfer them to a...
EngageNY
Square Roots
Investigate the relationship between irrational roots and a number line with a resource that asks learners to put together a number line using radical intervals rather than integers. A great progression, they build on their understanding...
EngageNY
Fraction Multiplication and the Products of Decimals
Class members come up with a hypothesis on the number of decimal digits in the product of two decimals. Learners work in groups to complete several decimal multiplication problems. The results help groups develop a conjecture on the...
National Gallery of Canada
Contemporary Reflections
Combine art and writing in a lesson about legends. After viewing Inuit art, class members examine their own cultural surroundings in order to write and visually represent a legend. Individuals are invited to take the creative reins when...
EngageNY
Analytic Proofs of Theorems Previously Proved by Synthetic Means
Prove theorems through an analysis. Learners find the midpoint of each side of a triangle, draw the medians, and find the centroid. They then examine the location of the centroid on each median discovering there is a 1:2 relationship....
EngageNY
Justifying the Geometric Effect of Complex Multiplication
The 14th lesson in the unit has the class prove the nine general cases of the geometric representation of complex number multiplication. Class members determine the modulus of the product and hypothesize the relationship for the...
EngageNY
The Line Joining Two Distinct Points of the Graph y=mx+b Has Slope m
Investigate the relationship between the slope-intercept form and the slope of the graph. The lesson plan leads an investigation of the slope-intercept equation of a line and its slope. Pupils realize the slope is the same as the...
EngageNY
Why Call It Tangent?
Discover the relationship between tangent lines and the tangent function. Class members develop the idea of the tangent function using the unit circle. They create tables of values and explore the domain, range, and end behavior of the...
Curated OER
Weather Dance
Students study weather and focus on specific dance concepts. They are introduced to different ty es of clouds and how they are formed. Next, they study wind and why it occurs.
Curated OER
Friar Margil and the Spanish Missions
Fourth graders investigate the life of Friar Margil. In this research lesson plan, 4th graders analyze an illustration of Friar Margil, then create their own illustration of Friar Margil's life. A list of 5 materials is included.
Curated OER
Water Pressure Blaster
Third graders complete an experiment to introduce them to the concept of water pressure. In this water pressure lesson plan, 3rd graders create pressure in a water bottle and observe the force of water that is created.
Indiana Department of Education
Social Emotional Learning Competencies PK-12 Lesson Plans
Looking for lesson plans that address social and emotional learning competencies? Here's help in the form of a 166-page packet that includes lesson plans for elementary, middle, and high school learners. Seven detailed plans are provided...
Curated OER
Density
Students determine the density of different substances. In this physical science lesson, students rank them according to their density. They discover the relationship between volume and density.
Curated OER
Timekeeping by the Sun
Students measure shadows to learn about the Sun-Earth relationship. In this astronomy lesson, students create a shadow stick of a Pokemon character and record measurements of its shadow in a data chart. Follow-up discussions guide...
Curated OER
Love It or Leave It?
Students identify flags by country, then research the symbolism and history of those flags in preparation for writing and delivering oral presentations. For homework, they write essays reflecting on the relationship between flags,...
Curated OER
The Last Great Race
Third graders identify and discover why the Iditarod race is done each year. They explore the historical significance of the Iditarod. Students also use web sites to research related topics, i.e. diseases (diptheria), geography of...
Curated OER
Cloud in the Classroom
Middle schoolers describe the relationship between animals and humans. In this biology lesson, students research about the history of horses in America. They present a mock news broadcast about their research.