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Lesson Plan
Curated OER

Where in the World

For Teachers 4th - 5th
Students explore the global grid system. In this globe lesson, students identify latitude and longitude lines and how these can tell the coordinates of any place. They use the Internet to find the exact coordinates for their town. 
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Lesson Plan
Curated OER

Our Geometic World

For Teachers 1st - 5th
Students walk around the neighborhood and identify various polygons and lines in buildings, nature and other objects. They design a building using various geometric patterns, shapes and lines. Students complete a descriptive writing of...
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Lesson Plan
Curated OER

Exploring Pythagorean Theorem

For Teachers 8th
Eighth graders explore the Pythagorean Theorem. They use Geometer's Sketchpad and explore features of various figures. Students use the software to build a figure using the given measurements.
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Worksheet
Curated OER

Vocabulary Challenge

For Students 4th - 6th
For this math vocabulary worksheet, students choose which multiple choice answer best defines twenty-five mathematical terms. Students place their answers on the lines provided.
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Lesson Plan
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Triangle Inequality Theorem

For Teachers 8th - 10th
Students use the inequality theorem to solve triangles and their properties. In this geometry lesson, students are given spaghetti of different lengths and asked to create triangles. They conclude the necessary length needed to make a...
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Worksheet
Curated OER

Geometry

For Students 3rd - 5th
In this geometry review game worksheet, learners use the provided game cards and calling cards to play a Bingo-like game. Students learn geometric terms while playing a group game.
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Lesson Plan
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Pass it On

For Teachers 4th - 6th
Young scholars participate in a class activity to help them master geometric terms and their definitions.
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Lesson Plan
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The Truth About Triangles And Proofs

For Teachers 9th - 12th
Students engage in a lesson plan that is about the classification of triangles and the mathematical proofs involved in working with them. They work on a variety of problems that are created by the teacher with the focus upon the...
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Lesson Plan
Curated OER

Human Geometry Book

For Teachers 3rd - 5th
Students investigate geometric shapes. In this geometry lesson, students read the book The Greedy Triangle and define the shapes mentioned in the book. Students make the shapes by using their bodies.
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Worksheet
Curated OER

Regents Exam Questions G.G.21: Centroid, Orthocenter, Incenter, and Circumcenter

For Students 9th - 12th
In this triangles worksheet, students solve 4 multiple choice problems. Students find the centroid, orthocenter, incenter, and circumcenter or various triangles.
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Lesson Plan
Curated OER

Triangles

For Teachers 6th - 10th
Learners identify triangles in the real world and construct their own triangle using drinking straws. They explore abstract triangles and find additional geometric shapes such as trapezoids. Students discuss similar shapes and examine...
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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.
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Lesson Plan
Curated OER

Shape Up

For Teachers 6th - 8th
Students explore differents types of triangles and quadriaterals. In this polygon lesson, students  model identify and compare two and three dimensional geometric figures. Students create tangrams and discover the difference between...
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Worksheet
Curated OER

Geoboard Activity

For Students 10th
In this geometry worksheet, 10th graders use geoboards or the grid representation of a geoboard to construct the indicated geometric figure. The three page worksheet contains twenty-seven questions. Answers are not included.
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Lesson Plan
Curated OER

Fashion Day

For Teachers 8th
Eighth graders practice using basic measurements to solve word problems.They also investigate finding the perimeter of different polygons and define the characteristics to classify the shape as a polygon.
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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 instructional activity, they use the tangram pieces to create...
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Lesson Plan
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Ovals, Rectangles, Squares, and Triangles

For Teachers 3rd - 5th
Students identify geometrical shapes displayed in photographs of everyday objects in a metropolitan setting.
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Lesson Plan
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Geometry House!

For Teachers 4th
Fourth graders use computer drawing tools to create a house of geometric shapes.
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Worksheet
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Problem Solving: Strategy: Use Logical Reasoning

For Students 6th
In this problem solving strategy worksheet, 6th graders solve a story problem using the strategies of understand, plan, solve, and look back.
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Worksheet
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Rounding

For Students 3rd - 4th
In this rounding worksheet, students solve 40 problems in which whole numbers are rounded to the nearest 10. 100 or 1000. Students also round to the nearest dollar.
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Lesson Plan
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Pythagorean Theorem

For Teachers 6th - 8th
Young scholars investigate the concept of the Pythagorean Theorem. After conducting independent practice to find the hypotenuse of a triangle, they work with the teacher using examples in the lesson plan. The direct instruction is...
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Lesson Plan
Curated OER

Equilateral Triangles

For Teachers 4th - 5th
Students examine the attribute of equilateral triangles. For this equilateral triangle lesson, students examine a number of paper triangles to determine how they are classified. They determine how triangles are depicted in Navajo rugs.
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Lesson Plan
Curated OER

Geo-Mat

For Teachers 1st - 3rd
Young scholars review plane figures by playing a game that resembles "Twister." They listen to directions to locate a large example of the figure which is placed on the floor.
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Worksheet
Curated OER

Triangle Exercises

For Students 6th - 8th
In this math worksheet, students determine the name for each triangle according to its classification. Then they create a truss construction model.

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