Lesson Plan
Curated OER

Measuring the Earth (Eratoshenes' method)

For Teachers 6th
Sixth graders engage in problem solving, communicating, reasoning, and connecting to represent and solve problems, using geometric models.
Lesson Plan
Captain Planet Foundation

Frog Garden Party! Toads and Triangles in the Math Garden

For Teachers 4th Standards
It's frog party time! With frog banners, frog juice, and a triangle hunt, your garden party is sure to be both entertaining and educational. The lesson plan connects geometry, earth science, and delicious snacks to teach kids about...
Lesson Plan
Curated OER

Pen Light Lab

For Teachers 9th - 12th
Students study what makes Earth warm and explore how different locations on the planetreceive different amounts of solar energy based on the intensity of the sun's rays. They calculate light intensities and compare the amounts of light...
Lesson Plan
Curated OER

Automobile-Accident Reconstruction

For Teachers 10th - 12th
Students investigate an accident and relate it to math. In this trigonometry lesson, students measure the accident scene, the friction produced, and the speed from the skid marks. They create a poster of their findings.
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 10th
In this geometry worksheet, 10th graders solve for missing sides and angles of a triangle. They use the pythagorean theorem to solve for the unknown in a right triangle. There are 5 questions on this worksheet.
Assessment
Noyce Foundation

Pizza Crusts

For Teachers 6th Standards
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...
Worksheet
Curated OER

Aurora Borealis

For Students 9th - 11th
In this Aurora Borealis worksheet, students read about how early scientists used triangulation to measure the height of the Aurora Borealis. Students solve 3 problems using triangulation.
Lesson Plan
Curated OER

The Slope of Land in Your Community

For Teachers 5th - 8th
Young scholars participate in finding the slope of a sand pile and then other materials. In this geology lesson, students describe what happens to the piles of materials when they are poured through a funnel. Young scholars measure the...
Lesson Plan
Curated OER

Quadrilaterals: Four-sided Figures

For Teachers 5th
Fifth graders engage in a variety of hands-on and technology-rich activities involving the classification of quadrilaterals. They utilize protractors and rulers to investigate the characteristics of various types of quadrilaterals. They...
Lesson Plan
Curated OER

Similarity

For Teachers 9th - 10th
Students find the factor of proportionality in similar polygons. In this similarity of polygons lesson plan, students measure the sides and angles of polygons and derive a factor of proportionality between corresponding pairs of sides...
Lesson Plan
Curated OER

Triangle Conjectures

For Teachers 10th
Tenth graders investigate the theorems of ASA, AAS, AAA and ASA. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two angles are formed by...
Lesson Plan
Curated OER

Watch Out for Landslides

For Teachers 5th - 8th
Students conduct an experiment.  In this landslides lesson, students learn about landslides and discuss how they could minimize the risk of landslides.  Students complete an experiment to see if changing the slope of the land...
Worksheet
Math Mammoth

Triangles

For Students 6th - 8th Standards
A six-page packet walks, or bends learners through angles that combine to create triangles. Definitions are given for right triangles, obtuse and acute triangles. They draw angles according to directions, using a protractor to meet the...
Worksheet
Curated OER

Seeing Solar Storms in STEREO-II

For Students 11th - 12th
In this solar storms instructional activity, students use a diagram given the location of two STEREO spacecraft satellites, a coronal mass ejection, the sun and the Earth to solve 2 problems about the coronal mass ejection. Students use...
Lesson Plan
Curated OER

Adhesives: How Sticky is Your Tape?

For Teachers 4th - 8th
Students test the adhesive strength of different tapes. In this adhesive lesson plan, students conduct an experiment to test the shear strength of the adhesives, take measurements, record data, and draw conclusions to explain each...
Worksheet
Curated OER

Building Blocks of Geometry

For Students 9th - 11th
In this geometry worksheet, students answer questions about midpoints, distance, lines and segments. They are given different shapes and asked to calculate the angles, and sides of polygons.
Lesson Plan
Virginia Department of Education

The Pythagorean Relationship

For Teachers 9th - 11th Standards
Add up areas of squares to discover the pythagorean relationship. Small groups create right triangles with squares along each side. They calculate the areas of each square and notice the relationship. Groups construct other types of...
Lesson Plan
EngageNY

Converse of the Pythagorean Theorem

For Students 8th Standards
Discover a new application of the Pythagorean Theorem. Learners prove and apply the converse of the Pythagorean Theorem in the 17th lesson in a 25-part series. The examples ask learners to verify right triangles using the converse...
Unit Plan
Mathematics Vision Project

Module 6: Congruence, Construction, and Proof

For Teachers 8th - 10th Standards
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This...
Worksheet
K12 Reader

Punctuating Appositives

For Students 4th - 8th Standards
Where do the commas go? Kids rewrite a series of sentences using commas to set off the appositives in each sentence.
Lesson Plan
National Security Agency

Classifying Triangles

For Teachers 4th - 8th Standards
Building on young mathematicians' prior knowledge of three-sided shapes, this lesson plan series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The Greedy...
Lesson Plan
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National Security Agency

Partying with Proportions and Percents

For Teachers 6th - 8th Standards
Examine ratios and proportions in several real-world scenarios. Children will calculate unit rates, work with proportions and percentages as they plan a party, purchase produce, and take a tally. This lesson plan recommends five...
Lesson Plan
Curated OER

The Tipping Point

For Teachers 9th - 11th
Students rewrite word problems and solve using math. In this word problem instructional activity, students gather data and observe the data. They relate this process to the scientific method and math. They review their data to be able to...
Lesson Plan
Curated OER

Quilt Squared

For Teachers 4th - 6th
Students study West Virginia quilts. For this mathematics lesson, students use symmetry, geometric shapes, and patterns to create their own quilt square.