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Lesson Plan
Houghton Mifflin Harcourt

Developing the Concept: Triangles and Quadrilaterals

For Teachers 5th - 7th Standards
Exact narrative and examples make this lesson on polygons easy to implement. Through it, your class will learn how to use a protractor and ruler to construct triangles and quadrilaterals according to your directions. Your class will be...
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Lesson Plan
Curated OER

Identifying Faces, Edges, and Vertices

For Teachers 4th
Fourth graders examine faces, edges, and vertices. In this geometry lesson, 4th graders participate in classroom activities that require them to compare geometric shapes, figures, and models.
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Lesson Plan
Curated OER

Exploring Geometric Mean

For Teachers 8th - 10th
Students solve problems using geometric means. In this geometry lesson, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
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Lesson Plan
Curated OER

Shapes...the Beginning of Geometry

For Teachers K - 1st
Students identify and name basic shapes and points. In this elementary geometry lesson, students use printable cut outs to name circles, triangles, and squares before playing a game with them. They play a game of "Pin the Tail on the...
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Lesson Plan
Curated OER

Measurement

For Teachers 7th
Seventh graders measure surface area. In this geometry lesson, 7th graders find the surface area of various geometrical shapes. Using a computer program, students compute the area of 2-D and 3-D shapes.  Students use...
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Worksheet
Curated OER

Twice as Nice

For Students 1st - 2nd
In this patterns instructional activity, students analyze a series of geometric shapes and determine the pattern. Students use numbers or letters to represent each pattern.
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Worksheet
Curated OER

Second Grade Geometry

For Students 2nd
In this second grade geometry worksheet, 2nd graders answer 10 multiple choice questions about geometric shapes, with the answers available online.
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Worksheet
Curated OER

Count, Color and Write!

For Students Pre-K - K
In this counting and coloring worksheet, students complete 8 questions in which geometric shapes are counted and colored according to the label. Students write the number and color name. Example: One gray triangle. Note: The style of...
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Worksheet
Curated OER

Shapes and Vertices

For Students 5th - 6th
In this shapes and vertices worksheet, students determine shapes that have more or less vertices and name shapes. A reference web site is given for additional activities.
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Worksheet
Curated OER

Shape and Figure Descriptions

For Students 4th - 5th
In this shape and figure description worksheet, learners read a description of a shape, name the shape and draw it, 2 total. A reference web site is given for additional activities.
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Worksheet
Curated OER

Identifying Shapes and Their Features

For Students 5th - 6th
In this shapes instructional activity, students identify shapes and the number of  edges and vertices of each. A reference web site is given for additional activities.
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Unit Plan
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Virginia Department of Education

Exploring 3-D Geometry

For Teachers 6th - 8th Standards
Take young mathematicians on an exploration of the world of 3-D geometry with this seven-lesson unit. After first defining the terms perimeter, area, and volume and how they apply to the real world, students continue on...
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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

3-D Paper Sculpture

For Teachers 5th - 6th
Students explore characteristics of geometric shapes. They participate in a paper folding activity to create various geometric shapes. Students design a mobile of the shapes they have created.
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Lesson Plan
Curated OER

I Walk the Line

For Teachers K
Students walk, run, jump, and hop all over and around geometric shapes. They identify the shapes by running to and standing on the called out shape.
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Lesson Plan
Curated OER

Hidden Jewels of Geometry

For Teachers 5th - 8th
Students identify different geometric shapes, and arrange them artistically in original jewelry designs.
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Lesson Plan
Curated OER

Puzzled?

For Teachers 1st
First graders practice identifying simple geometric shapes. As a class, they discuss positional words and review the words for simple shapes and their characteristics. They work together to create their own puzzle using the shapes.
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Lesson Plan
NASA

Next Generation Spacecraft - Orion

For Teachers 8th - 12th
Emergine space engineers discover the area of complex geometric shapes. They find that, just as a spacecraft is composed of many smaller parts, so can polygons be broken into smaller shapes.
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Lesson Plan
Curated OER

Powerful Polygons

For Teachers 2nd - 4th
Students scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the "Math is Fun" web site. Students go outside...
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Worksheet
Curated OER

Which Word Matches the Image? #2

For Students 2nd - 3rd
In this math learning exercise, students learn to match the name of a geometric figure with the picture. Students examine a drawing of a geometric shape, then circle the word that matches it.
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Lesson Plan
Curated OER

Object Graphs

For Teachers K
Students identify geometric shapes, demonstrate construction of an object graph, compare sets of objects, estimate which student has the most geometric shapes in his or her bag, and play computer game Jump Start Kindergarten.
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Lesson Plan
Curated OER

The Quirky Quadrilateral

For Teachers 4th
Fourth graders identify and classify different triangles and quadrilaterals. Then they demonstrate an understanding of plane and solid geometric objects and use this knowledge to show relationships and solve specific problems. Students...
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Lesson Plan
Curated OER

Tiling the Plaza (Geometry)

For Teachers 6th - 8th
Students make patterns with a variety of pattern blocks. Pupils experiment with making tile designs using only one shape by rotating that shape around a point. They enter a contest for creating the best tile design for the new plaza...
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Worksheet
Curated OER

Shape and Figure Descriptions

For Students 4th - 6th
In this shape and figure worksheet, students read a description of a shape, name it and then draw it, 2 shapes total. A reference web site is given for additional activities.

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