Scholastic
Scholastic: Study Jams! Math: Geometry: Lines of Symmetry
Explore lines of symmtery with this interactive lesson regarding lines of symmetry.
CK-12 Foundation
Ck 12: Geometry: Lines of Symmetry
[Free Registration/Login may be required to access all resource tools.] Understanding symmetry and identifying lines of symmetry
CK-12 Foundation
Ck 12: Elem Math: Identify and Count the Lines of Symmetry in Various Shapes
[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.
CK-12 Foundation
Ck 12: Geometry: Lines of Symmetry
[Free Registration/Login may be required to access all resource tools.] Distinguish between line symmetry and rotational symmetry
Math Is Fun
Math Is Fun: Lines of Symmetry of Plane Shapes
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.
CK-12 Foundation
Ck 12: Geometry: Lines of Symmetry
[Free Registration/Login may be required to access all resource tools.] Identify line, bilateral, and rotational symmetry.
Oswego City School District
Regents Exam Prep Center: Working With Line Symmetry
This site provides an excellent way to learn about line symmetry. It gives samples of questions that you can answer and self-check.
Wolfram Research
Wolfram Math World: Geometry
This MathWorld tutorial provides detailed overviews of the concepts and theorems associated with geometry. Most of the Math World sites are extensive and some require higher math knowledge to understand, links to terms and topics are...
Oswego City School District
Regents Exam Prep Center: Intuitive Notion of Line Symmetry and Plane Symmetry
Definitions are provided line of symmetry, line symmetry, and plane symmetry, and several nice examples are provided that illustrate these definitions.
CK-12 Foundation
Ck 12: Geometry: Reflection Symmetry
[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.
CK-12 Foundation
Ck 12: Geometry: Reflection Symmetry
[Free Registration/Login may be required to access all resource tools.] Find a figure's lines of symmetry.
Cuemath
Cuemath: Symmetry
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...
Maths Challenge
Maths challenge.net: Lines of Symmetry
A "one star" geometry problem that requires finding the visual pattern and applying logic with pattern recognition to find the lines of reflective symmetry.
Annenberg Foundation
Annenberg Learner: Learning Math: Symmetry
This presentation provides a tutorial on symmetry. In the tutorial, you will do the following: learn about geometric symmetry, explore line or reflection symmetry, explore rotation symmetry, and explore translation symmetry and frieze...
Other
Symmetry Around the World
This resource provides information about symmetry, and everywhere it can be found.
Oswego City School District
Regents Exam Prep Center: Intuitive Symmetry: Point, Line, Plane, Rotational
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 learners use a digital camera to...
Oswego City School District
Regents Exam Prep Center: Reflections: Line and Point
Lesson and activities focusing on line reflection. Here you will find a detailed explanation of the concept with picture examples, opportunities for interactive practice, and supporting classroom activities in the teacher resource pages.
Other
Earth Measure: Native American Geometry Designs: Mathematical Landscaping
If you want to plant a class garden, this is a great resource for combining geometry, Native American studies, and rocks.
National Council of Teachers of Mathematics
The Math Forum: Line Symmetry
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....
CK-12 Foundation
Ck 12: Interactive Geometry: 2.6 Reflection Symmetry
Explore reflection symmetry in some different shapes.
PBS
Pbs Learning Media: Patterns in Nature
In this video segment [3:25] from Cyberchase, a plant expert shows Bianca the patterns and symmetry found in nature.
National Council of Teachers of Mathematics
The Math Forum: Rotational Symmetry
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.
Houghton Mifflin Harcourt
Houghton Mifflin Harcourt: Saxon Activity Center Real World Investigation: Symmetry Around Us [Pdf]
Use this internet lesson to explore different types of symmetry in nature. Learners examine line symmetry, rotational symmetry, and bilateral symmetry. An integrated math, language art, and art lesson. Acrobat Reader required.