Lesson Plan
Curated OER

Quatrain

For Teachers 3rd - 8th
Students write quatrains based on themes recently heard in songs.
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.
Unit Plan
Scholastic

Scholastic: Study Jams! Math: Geometry: Lines of Symmetry

For Students 6th - 7th
Explore lines of symmtery with this interactive lesson regarding lines of symmetry.
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...
Handout
Quia

Ixl Learning: Lines of Symmetry

For Students 3rd - 5th Standards
Brush up on your math skills relating to lines of symmetry then try some practice problems to test your understanding.
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.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.g Finding Lines of Symmetry

For Teachers 3rd - 5th Standards
The purpose of this task is for students to identify figures that have line symmetry and draw appropriate lines of symmetry. Aligns with 4.G.A.3.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.g Lines of Symmetry for Circles

For Teachers 3rd - 5th Standards
Mr. Watkins asked his students to draw a line of symmetry for a circle with center $O$ pictured below: Aligns with 4.G.A.3.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Lines of Symmetry

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Understanding symmetry and identifying lines of symmetry
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...
Unknown Type
Khan Academy

Khan Academy: Draw Lines of Symmetry and Symmetrical Figures

For Students 6th - 8th Standards
Practice drawing lines of symmetry and creating symmetrical figures.
Activity
Illustrative Mathematics

Illustrative Mathematics: 4.g Lines of Symmetry for Triangles

For Teachers 3rd - 5th Standards
The division of triangles into scalene, isosceles, and equilateral can be thought of in terms of lines of symmetry. Aligns with 4.G.A.3.
Handout
University of Georgia

University of Georgia: Inter Math: Line of Symmetry

For Students 9th - 10th
This site gives a description of a line of symmetry along with an with a visual representation. There are links to related terms, everyday examples, challenging problems, more information, and the interactive check point involving lines...
Interactive
Mangahigh

Mangahigh: Shape: Lines of Symmetry

For Students 9th - 10th
Identify the lines of symmetry of the given shape.
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.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Lines of Symmetry

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Distinguish between line symmetry and rotational symmetry
Activity
Maths Challenge

Maths challenge.net: Lines of Symmetry

For Students 9th - 10th Standards
A "one star" geometry problem that requires finding the visual pattern and applying logic with pattern recognition to find the lines of reflective symmetry.
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...
Unit Plan
Cuemath

Cuemath: Symmetry

For Students 3rd - 8th Standards
Introduces the concept of symmetry by learning the definition, types, lines of symmetry, and point of symmetry. Check-out the solved examples for better understanding and try your hand at solving a few interactive questions at the end of...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Lines of Symmetry

For Students 6th - 7th
[Free Registration/Login may be required to access all resource tools.] Identify line, bilateral, and rotational symmetry.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 4.g Lines of Symmetry for Quadrilaterals

For Teachers 3rd - 5th Standards
This task provides students a chance to experiment with reflections of the plane and their impact on specific types of quadrilaterals. Aligns with 4.G.A.3.
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.
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.] Find a figure's lines of symmetry.
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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