Rotational Symmetry is when a figure is rotated less than a full turn around its center point so that it would fit perfectly on the original shape.
Many natural and man-made objects are symmetrical in 2 and 3 dimensions.
Snowflakes and the petals of some flowers have rotational symmetry.
Suggested Activities for Students
- Have students explore their homes and classrooms to look for examples of rotational symmetry.
- Have students explore their outdoor environment to look for examples of rotational symmetry. Take a camera!
- Have students look in magazines, catalogs, books, etc. for pictures of rotational symmetry.
- Have students identify, sketch, and/or label shapes that have rotational symmetry. All regular polygons (and regular polyhedra) have rotational symmetry.
- Have students use GEOBOARDS to create rotational symmetry designs.
- Have students use GEOMETRIC SHAPES or other MANIPULATIVES to create rotational symmetry designs.
- Have students use Art Materials to create rotational symmetry designs.
~ Dot Paper
~ Grid Paper
~ Popsicle Sticks
~ Pretzel Sticks