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Lesson Plan
Curated OER

Points, Lines, Planes, and Space

For Teachers 9th - 12th
In this points, lines, planes, and space worksheet, learners solve word problems dealing with points, lines, planes, and space. Students complete 20 individual problems and 20 group problems.
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Lesson Plan
Curated OER

Geo Jammin By Design: Coordinated

For Teachers K - 2nd
Young scholars 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
Curated OER

Ge-Oh Boy, Oh Boy

For Teachers 4th - 6th
Young scholars 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
Curated OER

Manipulative Mania

For Teachers 4th - 6th
Students 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
Curated OER

Quilting Geometry

For Teachers 9th - Higher Ed
Study geometry through the concept of quilt design. High schoolers examine the geometric shapes in various quilts and then create their own quilts using geometric shapes that fit together. In the end, they write a paragraph to describe...
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Lesson Plan
Curated OER

Transformational Geometry Using the Geometer's Sketchpad

For Teachers 6th - 8th
Students complete a webquest on the various types of symmetry. Using a computer, they explore the concepts of transformational geometry and identify points, segments, lines and planes. They experiment with the rotation of a quadrilateral...
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Lesson Plan
Curated OER

Making and Describing Shapes

For Teachers 1st - 3rd
Explore the concept of creating and describing 2D and 3D shapes.  Using geometry your scholars will describe the attributes of shapes and their properties.  They explore and discover what happens when you combine shapes and then take...
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Lesson Plan
Curated OER

Angle Exploration and Classification

For Teachers 4th - 7th
Students compare and contrast angles and identify them as acute, obtuse, right, or straight angles. They create rays and angles using uncooked spaghetti, read and discuss key vocabulary terms, and complete a variety of geometry worksheets.
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Lesson Plan
Curated OER

What Shape am I?

For Teachers 1st - 3rd
Young scholars analyze characteristics of geometric shapes. They find shapes in their environment, and communicate why it is like the shape of their choice and not like another shape.
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Lesson Plan
Curated OER

Shaping Up with Nature at Black Bayou Lake

For Teachers 1st - 2nd
Students visit a local lake refuge and identify shapes they find in nature. They take pictures of the various shapes and use KidPix to draw shapes around the shapes in the pictures. They watch a slideshow of all the shapes found by their...
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Lesson Plan
Curated OER

Rep Tiles

For Teachers 3rd
Third graders use pattern blocks of one shape at a time to try to create a similar shape. They compare the perimeter of the new figure with the perimeter of the original shape and look for a pattern. Students use the pattern to predict...
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Lesson Plan
Curated OER

What do two-dimensional tessellations look like? Where in art can they be found?

For Teachers 10th - 12th
Students explore the world of art and culture, including the works of M.C. Escher. They identify and create original tessellations. Students use a wealth of interactive multimedia applications. They explore the artistic representations...
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Lesson Plan
Texas Instruments

Construction Regular Polygons

For Teachers 9th - 12th Standards
Learners investigate the process necessary to construct regular polygons. They explore the degree measures of the angles in a regular polygon. Using this information and technology in the form of Cabri Jr., your pupils will construct...
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Interactive
Curated OER

Surface Area of Prism

For Students 10th
Tenth graders are provided instructions, including a video, on calculating the surface area of a prism. The one-page interactive worksheet contains two worked questions. Answers are included. 
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Lesson Plan
Curated OER

Understanding Fundamental Trigonometric Identities

For Teachers 9th - 12th
High schoolers are introduced to the basic trigonometric identities. Using a diagram, they discover why the parts of the unit circle as named as they are and use equations to finalize the Pythagorean trigonometric identities. They also...
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Lesson Plan
Curated OER

Area of Complex Figures

For Teachers 5th
Fifth graders use formulas for calculating areas of squares and rectangles to find area of complex figure, compare their own ideas with their classmates' ideas, and recognize that there are multiple methods for finding area of complex...
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Lesson Plan
Curated OER

Investigating Nets and Polyhedra

For Teachers 5th
Fifth graders create a net for a given polyhedron. They determine the corresponding polyhedron for a given net. Students investigate several polyhedra (cube, tetrahedron, and one of their choosing) and their corresponding nets. They...
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Lesson Plan
Curated OER

It's a 3-D World Out There!

For Teachers 2nd - 4th
Young scholars 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. Young scholars use K'NEX...
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Lesson Plan
Curated OER

ExplorA-Pond:2nd Grade Shapes & Fractions

For Teachers 2nd
Second graders, in groups, using a map, drawing or aerial view of a pond, represent the shape of the pond using simple geometric shapes or fractions of those shapes.
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Lesson Plan
Curated OER

Plain Figures And Measuring Figures

For Teachers 7th
Seventh graders investigate the mathematical concept of a sector. They apply the concept to an example problem and then move into a more complex application. They find the area of the side of a cone. This is done as students calculate...
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Lesson Plan
Other

Nearpod: Congruent Triangles & Similarity

For Teachers 9th - 10th Standards
For this lesson on congruent triangles, students explore how to use postulates to identify if triangles are congruent by SSS, SAS, ASA, and AAS.
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Unit Plan
Cuemath

Cuemath: Congruent Triangles

For Students 9th - 10th Standards
Explore the world of congruent triangles in this mini-lesson. Provides a definition and examples that help with understanding their properties. Includes a short video and practice questions with answers.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Congruent Triangles

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students what it means for two triangles to be congruent and how to identify corresponding parts of congruent triangles. Students examine guided...
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eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 3.5 Applications of Congruent Triangles

For Students 9th - 10th Standards
Learn how two triangles are congruent if and only if their corresponding sides and corresponding angles are congruent.