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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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Activity
National Council of Teachers of Mathematics

The Math Forum: Line Symmetry

For Teachers 3rd - 5th Standards
This site from The Math Forum is a great site if you are looking for activities to engage your students in learning about line symmetry. Peruse this collection of activities for one or two or four that would be right for your students....
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Unknown Type
Khan Academy

Khan Academy: Identify Line Symmetry

For Students 3rd - 5th Standards
Practice identifying lines of symmetry on shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: Dojo: Shape & Space: 3 D Shapes and Symmetry

For Students Pre-K - 1st Standards
Meet Morisu in the dojo. Help him with symmetrical objects and shapes!
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: Riksjas, Toek Toek: 2 D Space: Symmetry

For Students 4th Standards
Students will play interactive games and explore symmetry.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining Whether Various Shapes Have Lines of Symmetry

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to state whether the given 2D shapes have line symmetry. Includes video demonstrating a sample problem [1:14] and a set...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining Image Modifications to Create Symmetry

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to state how many more squares on a grid need to be shaded in order to give a shape line symmetry. Includes video...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identify and Count the Lines of Symmetry in Various Shapes

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and take an assessment on identifying and counting lines of symmetry in various shapes.
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Lesson Plan
ArtsNow

Arts Now Learning: Using Movement and Dance to Explore Symmetry [Pdf]

For Teachers 3rd
In this lesson, 3rd graders first examine images and decide whether they are symmetrical or not. Next, they create individual symmetrical shapes with their bodies and identify the line of symmetry present during these shapes. They then...
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Reflection Symmetry

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to determine whether or not a shape has reflection symmetry and how to draw lines of symmetry.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying Lines of Symmetry in Various Shapes

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to identify where a line of symmetry should be and whether a 2D shape has a line of symmetry. Includes video...
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Handout
Math Is Fun

Math Is Fun: Lines of Symmetry of Plane Shapes

For Students 3rd - 4th Standards
Looks at the lines of symmetry in different types of polygons. Includes ten practice questions. Each question is accompanied by an explanation of the answer.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying Lines of Symmetry in Letters

For Students 3rd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to identify the lines of symmetry in letters of the alphabet. Includes video demonstrating a sample problem [1:27] and a...
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Website
PBS

Pbs Learning Media: Patterns in Nature

For Students 3rd - 8th
In this video segment [3:25] from Cyberchase, a plant expert shows Bianca the patterns and symmetry found in nature.
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Handout
Other

Ic Teachers: Line or Reflective Symmetry

For Students 3rd - 8th Standards
This website will provide you with a quick review of line or reflective symmetry. It also has questions and answers to help you understand line/reflective symmetry.
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Lesson Plan
Oswego City School District

Regents Exam Prep Center: Intuitive Symmetry: Point, Line, Plane, Rotational

For Teachers 3rd - 8th Standards
Investigate the concept of symmetry at this test prep site. See detailed definitions and picture examples, answer the questions in the interactive practice pages, and do the classroom activity where students use a digital camera to...
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Activity
University of Cambridge

University of Cambridge: Nrich: Symmetry Challenge

For Students Pre-K - 1st Standards
Sharpen your logic, symmetry, and pattern recognition skills while working on this challenge. Solution included.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Rotational Symmetry

For Teachers K - 1st
This is a good site for elementary teachers to help educate students about symmetry by using pattern blocks. This link has multiple activities that the instructor could use including technological and standard activities.
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eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 2.6 Reflection Symmetry

For Students 9th - 10th
Explore reflection symmetry in some different shapes.
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: African Village: 2 D Space and Capacity

For Students 2nd - 3rd
Visit this African village and learn about symmetry and parts of 2D shapes. Users can first watch a video that helps with the concepts of finding a vertex and a line of symmetry. They can then practice their knowledge on four activities...
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Activity
University of Cambridge

University of Cambridge: Nrich: Happy Halving

For Students 1st - 2nd
On this one page website expand your logic, symmetry and pattern recognition knowledge while working on this challenge. The solution is available to double check your solution.
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Interactive
Mangahigh

Mangahigh: Shape: Lines of Symmetry

For Students 9th - 10th
Identify the lines of symmetry of the given shape.
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Activity
Beacon Learning Center

Beacon Learning Center: Ask Hannah

For Students 2nd - 6th Standards
This web lesson teaches students about symmetry in two-dimensional shapes.
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Handout
The Math League

The Math League: Symmetric Figure

For Students 3rd - 5th Standards
This tutorial features several examples of symmetric figures to explain how the line of symmetry works.