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.
Lesson Plan
Alabama Learning Exchange

Alex: Who's Line Is It Anyway?

For Teachers K - 1st
In this activity students will learn about line of symmetry in real life objects. An interactive web activity is used to engage students and give a multitude of real life examples with some interactive practice. The activity also...
Activity
Houghton Mifflin Harcourt

Houghton Mifflin Harcourt: Saxon Activity Center Real World Investigation: Symmetry Around Us [Pdf]

For Students 3rd - 8th
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.
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...
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.
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
Purple Math

Purplemath: Symmetry About an Axis

For Students 9th - 10th
Explains symmetry about a line, using animations to illustrate the "rotation" or "reflection" involved in this type of symmetry.
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...
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.
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.
Activity
Other

Symmeter: Sym Face

For Students Pre-K - 1st Standards
This tool allows you to see a face with perfect symmetry. You can upload photos and it creates a symmetrical image. A great activity to do with students, and great for a bulletin board display. [Requires Java.]
Activity
Other

Symmeter: Sym Face

For Students Pre-K - 1st
This tool allows you to see a face with perfect symmetry. You can upload photos and it creates a symmetrical image. A great activity to do with students, and great for a bulletin board display.
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.
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.
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...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Co.6 Symmetries of a Circle

For Teachers 9th - 10th
Suppose C is a circle with center O. Find all lines of symmetry of the circle and explain why the list is complete. Aligns with G-CO.A.
Handout
Windstream

Ojk's Precalculus Study Page: Reflections and Symmetry

For Students 9th - 10th
An introduction to the various types of symmetries that can occur in the graphs of functions. Uses vertical, horizontal, and oblique reflections as a means of recognizing symmetries.
Activity
Texas Instruments

Texas Instruments: Symmetry With Pattern Blocks

For Teachers Pre-K - 1st
Students learn to use pattern blocks to build a design that has a line of symmetry. They use the calculator to determine the value of half the design. They predict and then find the value of the entire design.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Reflections: Line and Point

For Students 5th - 8th Standards
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.
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.
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.
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.
Unknown Type
Houghton Mifflin Harcourt

Holt, Rinehart and Winston: Homework Help Independent Practice: Symmetry

For Students 9th - 10th
Get independent practice working with scientific and standard notation. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Study Guide
Oswego City School District

Regents Exam Prep Center: Photo Activity for Symmetry

For Students 9th - 10th
This activity has instructions for making symmetrical portraits of the human face using a digital photograph. It's an activity students of all ages would enjoy.

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