Activity
National Council of Teachers of Mathematics

The Math Forum: The Four Types of Symmetry in the Plane

For Students 9th - 10th Standards
This Math Forum site gives visual examples of rotation, translation, reflection, and glide reflection with background information about each. Also gives problems to work on concerning symmetry.
Unit Plan
Cornell University

Cornell University: Isometries and Patterns

For Students 9th - 10th
Shows the different kinds of isometries and patterns, and gives examples of each kind. Includes definitions, terminology, examples, and problems.
Handout
CK-12 Foundation

Ck 12: Geometry: Composition of Transformations Study Guide

For Students 7th - 9th Standards
This study guide on the composition of transformations covers some vocabulary terms and different types of these compositions. It is available for download with free registration.

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