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Lesson Plan
Curated OER

Triangle Island

For Teachers 9th - 12th
Learners calculate the altitude of triangles.  In the web based lesson, students explore the interior distance from a given point in a polygon to its side.  They compute the sum of these lengths. Learners read life application problems...
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Lesson Plan
Curated OER

Napolean Triangle

For Teachers 9th - 11th
Young scholars investigate the Napoleon triangle theory. In this polygon lesson, students  differentiate between the boundary points, interior and lattice point of a polygon. They apply concepts of equilateral triangles to solve problems.
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Lesson Plan
Curated OER

Angles Lesson Plan

For Teachers 3rd - 5th
Students stud angles, and then play the "What's Your Angle?" game. They complete at least 10 computer generated problems from the Angles Applet.
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Lesson Plan
Curated OER

Menelaus' Theorem

For Teachers 9th - 10th
Students investigate Menelaus Theorem. In this geometry lesson, students calculate the area of polygons. They differentiate between boundaries point, interior points and area of lattice points.
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Lesson Plan
Curated OER

If You Can’t Stand the Heat

For Teachers 9th - 12th
Students design and build their own solar cooker. In this math instructional activity, students determine the relationship between the angles of the sun, reflection and cooking time of the solar cooker. They test their project, collect...
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Lesson Plan
Curated OER

Strongest Polygon

For Teachers 9th - 12th
Students define and identify shapes by name. In this geometry lesson plan, students construct, identify and compare polygons based on the number of sides. They classify each shape based on their angle sum theorem.
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Lesson Plan
Curated OER

Quilt Patch Proof

For Teachers 6th - 10th
Students construct a convincing argument that the same amount of fabric is needed for each color of quilt being made in a specific design. They justify the relationship between vertical angles and the sum of the interior angles. Students
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Lesson Plan
Curated OER

Fitness

For Teachers 4th
Fourth graders determine how to design regular and semi-regular tessellations of the plane. They develop the ability to demonstrate why a tessellation covers the plane in this series of lessons.
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Lesson Plan
Curated OER

Copycats

For Teachers 3rd
Third graders describe the features of 2 and 3 dimensional objects and use the language of geometry. They design and make a pattern which involves translation, reflection or rotation.
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Unit Plan
Scholastic

Mega-Fun Fractions

For Teachers 3rd - 4th Standards
Creative and fun lessons help kids get some hands-on experience with fractions. The resource includes 50 innovative ways to teach kids about equivalent fractions, adding and subtracting fractions, using fractions in money math and...
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Lesson Plan
Curated OER

Exploring Tessellations

For Teachers 5th
Fifth graders examine how to make tessellations. In this tessellation instructional activity, 5th graders review the meaning of the word "polygon" while the teacher shows them various examples. They practice making tiling patterns or...
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Lesson Plan
Curated OER

Bedroom Floor Plan

For Teachers 6th - 9th
Students identify and compare the characteristics of floor plans and zoning to family activities and needs. They draw an accurate floor plan--either existing or a work in progress to scale. Then, students roughly sketch their bedroom...
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Worksheet
Mt. San Antonio Collage

Properties of a Parallelogram

For Students 9th - 12th Standards
More than just a worksheet, the resource provides a thorough guide to navigate through the land of parallelograms. Filled with definitions and theorems, the resource supports learners through problems such as proofs and finding missing...
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Lesson Plan
Alabama Learning Exchange

Dog Gone Again!

For Teachers 3rd - 7th Standards
Here is a real-life lesson! Learners must plan the dimensions of a rectangular fence to reign in a runaway dog. They survey what shape and size fence is needed and use formulas to find perimeter and area of the fence. They explore what...
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Lesson Plan
Curated OER

The Luxor - Pyramids, Surface Area & Volume

For Teachers 8th - 11th
Students investigate the surface area and volume of the Luxor Hotel in Las Vegas. They calculate the slant height, lateral edge, and diagonal length of the base. Using this information, students explore other areas of the hotel, such as...
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Lesson Plan
Curated OER

Parallelism in Our Everyday World: Parallel Lines and Beyond

For Teachers 9th - 10th
Students broaden their outlook on geometry in their everyday environment. They explore the properties of parallel lines and parallelograms and discover ways to prove the existence of parallel lines and discuss the concept of parallel lines.
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Lesson Plan
Curated OER

Involving Community Members, Parents, and Community Agencies in Student Learning

For Teachers 3rd - 6th
Students predict and estimate the number of moose shot by people between the years of 1986-1990. They analyze data and statistics, construct bar graphs, and conduct research on the Alaskan moose.
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Lesson Plan
Curated OER

Making Parallel Lines

For Teachers 8th - 10th
Students differentiate between parallel and perpendicular lines. In this geometry instructional activity, students make conjectures and apply it to solve real life situations. They collect data and make predictions based on the data.
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Lesson Plan
Curated OER

Applications And Problem Solving

For Teachers 6th - 8th
In this math worksheet, students use the operation of addition, subtraction, multiplication, and division to solve the word problems.
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Lesson Plan
Curated OER

Structures and Shapes

For Teachers 3rd - 4th
Students make jewelry using different shapes from magazines, tissue paper, cardboard, and other materials. In this making jewelry lesson plan, students complete this hands on activity to discuss how shapes are used.
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Lesson Plan
Curated OER

Hexagon Island

For Teachers 9th - 12th
Young scholars identify different polygons. In this geometry instructional activity, students name polygons using the number of sides. They calculate distance and slopes using the correct formula.
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Lesson Plan
Curated OER

Ceva’s Theorem

For Teachers 9th - 10th
Students prove and use Ceva's Theorem to solve problems. In this geometry lesson plan, students analyze polygons for patterns and calculate the area of each shape. They relate polygons to the real world.
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Lesson Plan
Curated OER

Finite Geometry

For Teachers 9th - 10th
Students solve for the area and perimeter of polygons. In this geometry lesson, students identify repeated patterns and create formula to solve problems. They make conjectures and prove hypotheses.
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Lesson Plan
Pennsylvania Department of Education

Rotational Symmetry of Polygons and Other Figures

For Teachers 5th - 8th
Students explore geometry by participating in a shape rotation experiment. For this symmetry lesson, students identify the term symmetry and a list of other geometry vocabulary. Students analyze shapes as they are turned 90 degrees and...

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