Oswego City School District
Regents Exam Prep Center: Working With Point Symmetry
Fun graphics and realistic problems in point symmetry for students to solve and check.
University of Georgia
University of Georgia: Inter Math: Parallelograms
This site gives the general definition of a parallelogram with examples and questions for the reader to ponder about characteristics of parallelograms. There are also links to related terms, everyday examples, challenging problems, more...
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Corta en Dos
Try to find the line of symmetry of these 8 figures. If you find it the two figures should coincide.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Flecha
Can you make the second arrow the same size as the first? You will be surprised.
Khan Academy
Khan Academy: Identify Line Symmetry
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.
Khan Academy
Khan Academy: Identify Symmetrical Figures
Practice identifying symmetrical shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
GeoGebra
Geogebra: Copy of Classify Two Dimensional Figures
User will drag the vertices of the quadrilaterals to decide on the best possible classification.
CK-12 Foundation
Ck 12: Elem Math: Identifying Lines of Symmetry in Letters
[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...
Success Link
Success Link: Symmetry Activity
Use this lesson plan to assess students' understanding of symmetry and their ability to express that understanding both in writing and with paper.
Illustrative Mathematics
Illustrative Mathematics: 4.g Finding Lines of Symmetry
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.
Illustrative Mathematics
Illustrative Mathematics: 4.g Lines of Symmetry for Circles
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.
Illustrative Mathematics
Illustrative Mathematics: 4.g What Shape Am I?
In this task, students ultimately use the definitions they are given for three types of quadrilaterals and what they know about parallel sides to identify that a square fits all the definitions and explain why. Aligns with 4.G.A.2.
Illustrative Mathematics
Illustrative Mathematics: 4.g Lines of Symmetry for Quadrilaterals
This task provides learners a chance to experiment with reflections of the plane and their impact on specific types of quadrilaterals. Aligns with 4.G.A.3.
Illustrative Mathematics
Illustrative Mathematics: 4.g Lines of Symmetry for Triangles
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.
CK-12 Foundation
Ck 12: Elem Math: Identifying Vertices Edges and Faces in 3 D Shapes
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying faces, edges and vertices of three dimensional shapes.
CK-12 Foundation
Ck 12: Elem Math: Determining Image Modifications to Create Symmetry
[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...
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: Elem Math: Determining Whether Lines Are Perpendicular
[Free Registration/Login may be required to access all resource tools.] Students watch two videos and attempt practice problems on how to determine if two lines are perpendicular.
Rice University
Rice University: Cynthia Lanius: Designer Fractions Symmetry
This site takes a look at symmetry, with a special focus on line symmetry. Here you will find a definition, as well as several examples and real-world applications.
Alabama Learning Exchange
Alex: Geometric Man
The students will explore angles, rays, line segments, perpendicular lines, parallel lines, and two-dimensional figures through the use of the book Shape Up! Fun With Triangles and Other Polygons by David A. Adler. They will also...
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...
Quia
Ixl Learning: Trapezoids
Brush up on your math skills relating to trapezoids then try some practice problems to test your understanding.
Quia
Ixl Learning: Lines of Symmetry
Brush up on your math skills relating to lines of symmetry then try some practice problems to test your understanding.
E-learning for Kids
E Learning for Kids: Math: Singing Angels: Symmetry
Use these interactive activities to explore symmetry.