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Lesson Plan
Curated OER

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

Reflection: Student Worksheet

For Teachers 4th - 7th
In this math worksheet, students will work independently to trace a stencil on an x-axis. Then students will follow a procedure to trace the image on the horizontal line of reflection. Students will observe that reflections and rotations...
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Lesson Plan
Curated OER

Geometry in Art

For Teachers 4th - 6th
Students recognize and measure geometric shapes within abstract art. They examine quilts for shapes and they each make their own quilt from squares using geometry and measurement.
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Lesson Plan
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Geometry in Art

For Teachers 4th - 6th
Students examine mathematical symbols and formulas included in works of art. They analyze quilts for shapes and they each make their own quilt from squares using geometric shapes.
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Lesson Plan
Curated OER

It's a 3-D World Out There!

For Teachers 2nd - 4th
Learners construct polygons. They identify attributes of three-dimensional shapes. Students name common three-dimensional shapes. They draw three-dimensional shapes, and sort three-dimensional shapes. Learners use K'NEX materials sets to...
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Lesson Plan
Curated OER

Marshmellow Geometry

For Teachers 5th - 10th
Students explore a variety of geometric shapes, name them, and list their characteristics. The shapes are transposed into structures and checked for accuracy.
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Lesson Plan
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Navajo Rug

For Teachers K
Students explore geometry in Navajo rugs. In this shape art activity, students create a Navajo rug design using triangles and squares. Students investigate designs on the Internet and then create an original design.
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Lesson Plan
Curated OER

Math/Quilt Connection

For Teachers 3rd - 4th
Students explore quilting. For this math patterns lesson, students define the perimeter of a quilt border, create tessellations using geometric shapes, and detemine the area of a quilt.
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Lesson Plan
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Circle Recognition

For Teachers K
Students find circles in a classroom. In this circles lesson plan, students find five circles throughout the classroom and learn about basic geometric shapes.
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Lesson Plan
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Medieval Mathematicians and Whimsical Windows

For Teachers 3rd
Third graders demonstrate their mathematical knowledge of symmetry and reflection using congruent geometric shapes while working as an artist and mathematician looking at a medieval-styled stained glass window.
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Lesson Plan
Curated OER

Triangles

For Teachers 3rd
Third graders recognize geometric shapes with acute angles, make geometric shapes with acute angles on geoboards, and draw acute angles on geopaper.
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Lesson Plan
Curated OER

Symme"tree"

For Teachers 2nd - 4th
Young scholars practice drawing lines of symmetry after the teacher draws shapes on the board. They create a class symme"tree" using only symmetrical shapes to decorate it.
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Lesson Plan
Curated OER

Drawing Lines of Symmetry

For Teachers 3rd
Third graders explore the concept of symmetry using geometric shapes, capital letters and various other shapes. They fold shapes to show symmetry, draw lines of symmetry and create symmetrical designs.
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Worksheet
Curated OER

Geometry: Identifying Lines and Rays

For Students 6th
In this geometry: identifying lines and rays instructional activity, student answer six multiple choice questions identifying lines, line segments and rays.
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Lesson Plan
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Geometry in Tessellations

For Teachers 3rd - 12th
Students examine tessellations and their geometric properties. Students explore the concept of tessellations and lines, planes, angles, and polygons. Students experiment with the area and perimeter of polygons. Students analyze...
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Lesson Plan
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Cafeteria Mayhem

For Teachers 9th - 12th
Students design a cafeteria floor plan. In this area and perimeter lesson, groups create an efficient lunchroom layout on poster board by using geometric shapes and formulas as the basis for their designs. In the accompanying writing...
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Lesson Plan
Curated OER

Tessellations

For Teachers 7th
Seventh graders investigate geometric shapes using tessellations. For this geometry lesson, 7th graders practice tessellations using different shapes. They create different designs using tessellations.
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Lesson Plan
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Perimeter and Area

For Teachers 7th
Seventh graders develop strategies for finding the perimeter and area of large geometric figures. Through lecture and guided practice, 7th graders practice the strategy of dividing a geometric shape into smaller more manageable shapes...
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Inquiry Cube

For Teachers 5th
Fifth graders investigate geometric shapes. In this geometry lesson plan, 5th graders classify and group shapes and patterns by likeness. They investigate patterns based on clues from their peers.
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Worksheet
Curated OER

Perfect Patterns- Completing Patterns Worksheet

For Students 2nd - 3rd
In this completing patterns worksheet, students complete patterns with geometric shapes and the numbers 1-10. They color the geometric shapes with at repeating patterns.
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Lesson Plan
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Patterns in the Sums of Polygon Angles

For Teachers 6th
Sixth graders discover the patterns of sums of polygon angles. In this math lesson, 6th graders study the properties of geometric shapes to solve problems as they participate in hands-on activities.
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Lesson Plan
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What's Your Symbol?

For Teachers 6th
Sixth graders investigate how colors, objects and geometric shapes have been used symbolically in art during specific time periods. They use this information to create symbolic artwork and write a descriptive/informational piece...
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Lesson Plan
Curated OER

The Function Box

For Teachers 3rd - 12th
Students explore arithmetic and numerical patterns. After observing a teacher created function box, students describe a pattern and predict what will "come out" of the function box. They explore patterns such as geometric shapes,...
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Lesson Plan
Curated OER

Graphing Linear Equations - With Table

For Teachers 9th - 10th
Students describe relations and graph linear functions. After studying a geometric shape and a verbal statement, students contrast the differences between the verbal statement and the picture. They determine functions and graph...

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