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Lesson Plan
Curated OER

Miras, Mirrors, and Kaleidoscopes!

For Teachers 9th - 12th
Students use hands-on activities to explore transformations. They view a video segment that demonstrate how M. C. Escher employed geometry and transformations to create so many of his famous drawings.
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PPT
Curated OER

Fracciones

For Teachers 3rd - 5th
Are you teaching math at a bilingual school? Use this colorful PowerPoint to aid you in teaching fractions. It uses large graphics and clear text to demonstrate how to identify a fraction. There are seven practice slides, as well as...
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Worksheet
Curated OER

Addition Word Problems #1

For Students 2nd - 3rd Standards
Math is all around us, and scholars observe various addition scenarios as they solve 15 word problems. Each of these involve two-digit addends, some of which are money values. Although there are no decimals or fractions, learners do need...
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Lesson Plan
Curated OER

Quilts and Math

For Teachers 3rd - 5th
Students create a pattern. In this patterns lesson, students review the meaning of symmetry and explore using pattern blocks. Students look for patterns in real quilts, photographs and pictures. Students work independently to plan a...
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Lesson Plan
EngageNY

Definition of Reflection and Basic Properties

For Students 8th Standards
Discover the results of reflecting an image. Learners use transparency paper to manipulate an image using a reflection in this fourth lesson plan of 18. They finish by reflecting various images across both vertical and horizontal lines.
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Lesson Plan
Curated OER

Mira, Mira on the Wall: Reflections

For Teachers 9th - 10th
Students investigate and perform reflections and symmetry. In this geometry lesson, students compare and contrast the relationship between reflections and symmetries.
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Worksheet
Curated OER

A Star Sheds a Comet Tail!

For Students 9th - 12th
In this comet tails and stars worksheet, students read about the star Mira and the vast clouds of gases it emits. They use a photograph from the Galaxy Evolution Explorer satellite to solve 5 problems about the scale of the image, the...
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Lesson Plan
Curated OER

Hands-On Geometry

For Teachers 10th
Tenth graders construct a variety of geometric shapes and designs using a Mira, Clinometer and Geometry Flash Cards. They complete a worksheet.
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Lesson Plan
Curated OER

Reflections

For Teachers 5th
Fifth graders create a reflection of a poygon using a Mira. They discover that a line connecting a vertiex of a polygon and the corresponding vertex of its reflection is perpendicular to the line of reflection. Students create a glide...
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Lesson Plan
California Mathematics Project

Reflections

For Students 8th - 10th Standards
Reflections are the geometric mirror. Pupils explore this concept as they discover the properties of reflections. They focus on the coordinates of the reflections and look for patterns. This is the third lesson in a seven-part series.
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Lesson Plan
Curated OER

Symmetry and Tangrams

For Teachers 6th
Sixth graders build figures out of tangrams. In this symmetry lesson, 6th graders view tangrams and identify the polygons included in them. Students divide into groups, identify their tangram pieces, define the lines of symmetry, and use...
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Lesson Plan
Curated OER

Bisecting Angles and Segments

For Teachers 9th - 12th
Students bisect angles and segments using a mira. They measure the original angles and segments and the angles and segments formed by bisecting to better see the relationship between them.
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Lesson Plan
Curated OER

Coordinate Graphs, Translations and Reflections

For Teachers 7th - 8th
Students perform translations and reflections. For this algebra lesson, students use the TI calculator to graph functions. They move the functions around on the coordinate plane using translation and reflection.
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Lesson Plan
Curated OER

Exploring Lines of Symmetry

For Teachers 7th - 8th
Students investigate the concept of symmetry. They use cut out shapes that are folded in order to practice identifying the lines of symmetry. The lesson is observed by the teacher working with students for the purpose of scaffolding and...
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Lesson Plan
Curated OER

Cutting Corners

For Teachers 2nd
Second graders examine two-dimensional shapes using their characteristics. In this shapes instructional activity, 2nd graders identify similarities and differences by using cut out shapes, diagrams, mirrors, and graphic organizers.
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Lesson Plan
Curated OER

Wonders of the World

For Teachers 3rd
Third graders examine two-dimensional objects and create a 3-D image of the object. They make models of the Taj Mahal and buildings in Delhi.
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Lesson Plan
Curated OER

Transformation: Reflection

For Teachers 10th
Tenth graders identify and analyze appropriate key vocabulary terms associated with transformations and reflection. Students experience creating and recognizing reflection with hands-on manipulations. Students discover real-world...
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Lesson Plan
Curated OER

Concurrent Lines in Triangles

For Teachers 9th - 12th
Students explore the concept of concurrent lines in triangles. In this concurrent lines in triangles instructional activity, students work in groups to investigate properties of concurrent lines in acute, right, and obtuse triangles....
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Lesson Plan
Curated OER

Exercise 23--the Regular Pentagon on a Given Side

For Teachers 6th - 8th
Middle schoolers examine and study how to recognize the characteristics of a regular pentagon and demonstrate how to construct one. They become aware of associating a regular pentagon to its term of a double map and practice the concept...

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