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Worksheet
Curated OER

Tessellations

For Students 10th
In this tessellations worksheet, 10th graders solve 6 different types of tessellation problems that includes drawing. First, they define polygon, regular polygon, tessellation, regular tessellation, and semi-regular tessellation. Then,...
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Lesson Plan
Curated OER

The Centroid : Balancing the History

For Teachers 10th - 12th
Students discover the centroid of a triangle based on Euclid's constructions. They explore locus of points of a median. They understand properties of the segments that form the median and areas of the smaller sections formed by the median.
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Worksheet
Curated OER

Geometry Wordsearch

For Students 5th - 7th
For this mathematical related worksheet, learners explore and analyze thirteen key terms associated with geometry in a word search puzzle.
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Worksheet
Curated OER

Vocabulary Challenge

For Students 4th - 6th
In 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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Worksheet
Curated OER

Geometry

For Students 3rd - 5th
In this geometry review game activity, students 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
Curated OER

The Truth About Triangles And Proofs

For Teachers 9th - 12th
Students engage in a lesson 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 importance of...
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Lesson Plan
Curated OER

Human Geometry Book

For Teachers 3rd - 5th
Students investigate geometric shapes. In this geometry instructional activity, 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
Students 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

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
Curated OER

Exploring Special Segments in Triangles

For Teachers 9th - 12th
Learners discover that four special segments have a common intersection point. They identify the position of the intersection point in triangles. They produce conjectures about areas of the divided triangles.
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Worksheet
Curated OER

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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Lesson Plan
Curated OER

Red October

For Teachers 4th
Fourth graders follow directions given in bearings. They invent their own maps using them and use a protractor to help them with their designs. Students produce their own maps with instructions for navigating the maps. The channels...
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Lesson Plan
Curated OER

Equilateral Triangles

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

Geo-Mat

For Teachers 1st - 3rd
Students 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, learners determine the name for each triangle according to its classification. Then they create a truss construction model.
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Worksheet
Curated OER

Downtown Landmarks: geometry on Firstside

For Students 5th - 10th
In this geometry worksheet, students look at a picture of downtown landmarks and identify different shapes, lines, and more. Students identify 18 items.
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Lesson Plan
Curated OER

TAKS 4th Grade Daily Upkeep 10

For Teachers 4th
In this math worksheet, 4th graders look for the answers to basic review problems that focus upon the skills of reading simple word problems, and applying the interpretation of data.
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Lesson Plan
Curated OER

Triangle Classification

For Teachers 9th - 12th
Students classify different types of triangles. In this geometry lesson, students identify and use properties of triangles. They differentiate between isosceles and equilateral triangles.
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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
Curated OER

Forces Applied to an Object

For Teachers 4th
Fourth graders predict, observe, and compare what happens when a force is applied to an object. In this forces lesson, 4th graders complete a 'swinging hammer' activity to learn about forces and motion.
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Lesson Plan
Curated OER

Ovals, Rectangles, Squares, and Triangles

For Teachers 3rd - 5th
Pupils identify geometrical shapes displayed in photographs of everyday objects in a metropolitan setting.
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Lesson Plan
Curated OER

Geometry House!

For Teachers 4th
Fourth graders use computer drawing tools to create a house of geometric shapes.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angle Classification Grade 6

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Classify acute, right, obtuse, and straight angles.

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