Texas Instruments
Texas Instruments: Connecting Translations, Reflection, and Rotations
In this activity, students will investigate the relationship among the three types of rigid transformations - translations, rotations, and reflections.
National Council of Teachers of Mathematics
The Math Forum: The Four Types of Symmetry in the Plane
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.
Annenberg Foundation
Annenberg Learner: Learning Math: Symmetry
This presentation provides a tutorial on symmetry. In the tutorial, you will do the following: learn about geometric symmetry, explore line or reflection symmetry, explore rotation symmetry, and explore translation symmetry and frieze...
Math Planet
Math Planet: Geometry: Transformation Using Matrices
Explains how simple polygons translate into matrices and how to use 2x2 matrices to represent transformations in a plane. Includes video demonstrating an example where a vector must be rotated 90 degrees using matrices. [4:18]
Oswego City School District
Regents Exam Prep Center: Algebraic Translations
Use these resources when planning instruction on algebraic translations. Offers a lesson with many examples, a practice exercise with answers, and instructions for a class activity where students translate sentences into equations.
Government of Alberta
Learn Alberta: Math Interactives: Exploring Transformations
This multimedia Learn Alberta math resource looks at real world examples of transformations found throughout West Edmonton Mall. The accompanying interactive component asks students to predict transformations through looking at...
Math Is Fun
Math Is Fun: Definition of Congruent
Definition of congruent. Choose the "here's more" link to see examples of a rotation, reflection and translation.
E-learning for Kids
E Learning for Kids: Math: Market Place: 2 D Space
At the Food Market there are a lot of shapes. Help Afia find and name the shapes.
![Math by Design: Transformations/translations [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Math by Design: Transformations/translations [Pdf] Lesson Plan")
Thinkport Education
Math by Design: Transformations/translations [Pdf]
A lesson plan aiding students in the comprehension and practice of geometric transformations.
University of Georgia
University of Georgia: Inter Math: Transformation
This site defines transformation and lists several different examples of transformations. Be sure to follow the links to related terms, everyday examples, challenging problems, more information, and the interactive check point involving...
National Council of Teachers of Mathematics
The Math Forum: Regular Tessellations
This site contains a lesson plan on tessellations. There is a link to the NCTM standards that fit this lesson and a link to an applet that is useful to both teacher and student.
Rice University
Rice University: Cynthia Lanius: Dueling Pinwheels (Geometer's Sketchpad)
An introductory look at the interactive Geometer's Sketchpad in terms of using it to explore rotations, translations, and reflections. Only a beginner's amount of skill with the program is needed. Exploration questions are given for the...
Khan Academy
Khan Academy: Practice: Translate Expressions With Parentheses
Activity provides questions that test understanding of how to translate expressions with parentheses. Immediate feedback is given and hints or a video are available if needed.
123 Teach Me
123 Teach Me: Math
Students will drag and drop various Spanish "math" terms with their matching pictures. English translations are listed under each picture. Audio pronunciations of the Spanish math-related terms are provided.
Khan Academy
Khan Academy: Translate Expressions With Parentheses
Practice changing expressions from words to math. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
National Council of Teachers of Mathematics
The Math Forum: Multicultural Math Fair: Navajo Burntwater Designs
Simple instructional activity designed to help students learn the geometric concepts of translation, reflection, and symmetry by creating Navajo weaving patterns. Includes templates and instructions and is available in English and...
University of Regina (Canada)
University of Regina: Math Central: Symmetry and Translations
This University of Regina site gives some history and definitions about translations and symmetry.
National Council of Teachers of Mathematics
The Math Forum: The Four Basic Symmetries
This is a site from the Math Forum that gives visual examples to show the differences between the four different kinds of symmetry. Examples are given along with links to additional information.
Math Is Fun
Math Is Fun: Interactive Thermometer
An interactive thermometer shows temperature in both Celsius and Fahrenheit and "translates" the temperature you choose into real life situations, like "Fun in the Snow," "Nice Sunny Day," or "Boiling Water."
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: The Concept of Congruence
A guide to support parents as they work with their students in the concept of congruence.
Mangahigh
Mangahigh: Transtar: Reflections, Rotations, Dilations and Translations
For this geometry game, students must guide Transtar, an alien spaceship, across space by applying transformations to it. At the same time, there are dangers to avoid and the number of moves and tries are limited.
Illustrative Mathematics
Illustrative Mathematics: G Co Parallelograms and Translations
In this task, students apply the definition of a parallelogram in the context of a geometric construction. Aligns with G-CO.C.11.
Wolfram Research
Wolfram Math World: Math World: Dilation
This MathWorld site gives a visual description of dilation and the different kinds of dilation in a similarity transformation.
University of Regina (Canada)
University of Regina: Math Central: Shape Preserving Transformations
This is a site that discusses transformations and the processes.