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Curated OER
Geo Jammin' By DeSign - Day 7, Lesson 36: DeSign Sampler
Second graders, in groups, write quilt reports.
Math Is Fun
Math Is Fun: Rotational Symmetry
A definition and several examples of rotational symmetry. View two animations showing types of rotational symmetry, as well as real-life examples, including a dartboard and Ferris wheel.
Other
Ic Teachers: Rotational Symmetry
This website contains a basic explanation of what rotational symmetry and rotational symmetry order is. Some practice problem identifying rotational symmetry order are also given.
CK-12 Foundation
Ck 12: 2.9 Rotation Symmetry
Find out about the ways to name rotation symmetry: order, fraction of a turn, and angle.
Mathigon
Mathigon: Geometry: Symmetry
This lesson focuses on symmetry including reflectional symmetry, rotational symmetry, and palindromes. It defines each, gives examples, and practice activities.
University of Cambridge
University of Cambridge: Nrich: Transformation Tease
Follow the directions at this one page website. You will get lots of practice plotting points on the coordinate grid and experience with transformational geometry.
University of Cambridge
University of Cambridge: Nrich: A Cartesian Puzzle
This one page website lets you practice plotting points on the coordinate grid. See if you can find the missing coordinates to complete the shapes. When you are finished the solutions are only a click away.