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Lesson Plan
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Exploring Chords: Products of Chord Segments

For Teachers 7th - 10th
Students identify the properties of chords. In this geometry lesson, students multiply chord segments to find the solution to their problem. They construct two chords that cross on  a circles.
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Lesson Plan
Curated OER

Product of Chord Segments

For Teachers 9th - 10th
Learners creating chords intersection using circles. In this geometry lesson, students create visuals of chords ad their properties using Cabri technology. They measure the chords and explore the relationship among chords.
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Lesson Plan
Curated OER

Pass It On

For Teachers 5th
Fifth graders participate in a class activity that helps them learn some geometric terms along with their definitions. They describe relationships between two and three-dimensional shapes and analyze attributes and properties of...
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Lesson Plan
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Polygons All Around Us!

For Teachers 9th - 12th
Students explore the concept of polygon properties. In this polygon properties lesson plan, students draw polygons with different numbers of sides such as pentagons, octagons, hexagons, etc. Students identify different geometric shapes...
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Lesson Plan
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Origami Frogs

For Teachers 9th
Ninth graders explore a variety of geometry and science concept while making an origami frog. The fold paper into the shape of a frog and conduct measurement activities including frog leaps.
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Lesson Plan
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Ship Shape

For Teachers 2nd
Second graders explore shapes and create a Silly Shape book. Students recognize that shapes have certain properties and be able to define them. Example, a triangle is any three-sided shape. Students' job is to make a picture on...
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Lesson Plan
Curated OER

Teaching the Tr'panier Trapezoid Kite

For Teachers 3rd - 6th
Students analyze how the parts of a system go together and how these parts depend on each other. They comprehend the forces in terms of strength and direction. Students observe, measure and describe weather indicators.
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Lesson Plan
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Making Tangram Pieces by Folding Paper

For Teachers 3rd
Third graders follow directions to make a set of tangram pieces. After reading a story, they compare and contrast the differences between two-dimensional shapes. To end the lesson plan, they use the tangram pieces to create their own...
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Worksheet
Curated OER

Geometry, Word Search Puzzle

For Teachers 6th - 8th
In this math worksheet, students look for the words that are related to the math words used in the practice of geometry. They also practice spelling.
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Lesson Plan
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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
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Geometry and Symmetry

For Teachers 4th - 6th
Students examine tessellations and their geometric properties. The activity and discussions may be used to develop students' understanding of polygons and symmetry as well as their ability to analyze patterns.
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Lesson Plan
Curated OER

The Talking Earth: a Research Lesson

For Teachers 5th
Fifth graders read the book, "The Talking Earth" and research an animal that is found in the Everglades.
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Lesson Plan
Curated OER

Geo Jammin By Design: Coordinated

For Teachers K - 2nd
Students watch the teacher draw on the chalkboard and try to determine the form being drawn. They use questions to determine Quadrant #1 of a coordinate plane.
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Lesson Plan
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Geo Jammin' By DeSign - Day 4, Lesson 22: Authentic Design

For Teachers 2nd - 3rd
Students explore the complexity of handmade quilts and their designs by looking a real life samples.
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Lesson Plan
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Geo Jammin' By DeSign - Day 5, Lesson 25: Geo Jungle

For Teachers 2nd - 3rd
Students search the school grounds for examples of symmetry in nature. They bring examples back to the classroom and write about them.
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Lesson Plan
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Manipulative Mania

For Teachers 4th - 6th
Learners explore tangram vocabulary and tangram designs, creating an art design that contains various geometric parts. They complete a checklist titled, Important Thing About a Quilt Design.
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Lesson Plan
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Ge-Oh Boy, Oh Boy

For Teachers 4th - 6th
Students listen to the book, Sam Johnson and the Blue Ribbon Quilt and discuss the art of quilting. They examine various symmetrical sewing designs, and identify reflection pieces, slides, and flips.
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Lesson Plan
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Tangram Perimeters

For Teachers 6th - 8th
Students work together to make figures out of tangram squares. In groups, they calculate the measurements they need and apply the Pythagorean Theorem. They complete a worksheet solving equations using the theorem and review their answers.
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Lesson Plan
Curated OER

Slides, Flips and Turns

For Teachers 3rd
Third graders are introduced to different types of transformations. As a class, they describe how a stuffed animal slides across the floor and use themselves to demonstrate as well. Individually, they flip and turn in different...
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Lesson Plan
Curated OER

Angle Action

For Teachers 5th - 7th
Students measure and label specified angles. In this angles lesson plan, students use a protractor to find angles that are acute, obtuse, and reflexive. Students then label each angle and match the angles the correct definition. This...

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