Transformations! Translations, Reflections, and Rotations ...

Transformations! Translations, Reflections, and Rotations ...

Transformations! Translations, Reflections, and Rotations (also known as Slides, Flips, and Turns) Mel Balser EME 4401 November 7, 2007 Sunshine State Standards and National Educational Technology Standards

MA.C.2.2.2: The student visualizes and illustrates ways in which shapes can be combined, subdivided, and changed - predicts, illustrates, and verifies which figures could result from a flip, slide, or turn of a given figure. Technology productivity tools Students use technology tools to enhance learning, increase productivity, and promote creativity. Students use productivity tools to collaborate in constructing technology-enhanced models, prepare publications, and produce other creative works.

Free powerpoint template: www.brainybetty.com 2 Materials Computer SmartBoard and accessories (markers, eraser, etc) Internet access Video Camera Editing Software (such as iMovie) Free powerpoint template: www.brainybetty.com

3 What is a transformation? A transformation is a change in the position or size of an object Movements that do not change the size or shape of the object moved are called rigid transformations There are three types of rigid transformations: Translations, Reflections, and Rotations. These are more commonly

referred to as Slides, Flips, and Turns. To learn more about each, check this out! Free powerpoint template: www.brainybetty.com 4 What is a translation?

Take one step in any direction You have just translated yourself! More commonly known as slides A translation "slides" an object a fixed distance in a given direction. The original object and its translation (known as the image) have the same shape and size, and they face in the same direction. Free powerpoint template: www.brainybetty.com 5

What is a translation? M.C. Escher Butterfly Wing Closeup Free powerpoint template: www.brainybetty.com 6 What is a translation?

Translate these objects however you want! Example: Free powerpoint template: www.brainybetty.com 7 What is a translation? What are some examples of translations that you have seen? Free powerpoint template: www.brainybetty.com

8 What is a reflection? Take a look in the mirror. You are staring at a reflection of yourself! More commonly known as flips An object and its reflection have the same shape and size, but the figures face in opposite directions. A reflection can be seen in water, in a mirror, in glass, or in a shiny surface.

Free powerpoint template: www.brainybetty.com 9 What is a reflection? A reflection can be thought of as flipping an object over the line of reflection In water In a mirror In glass

Free powerpoint template: www.brainybetty.com In a shiny surface 10 What is a reflection? Can you flip these objects over the line of reflection? Example: Free powerpoint template: www.brainybetty.com

11 What is a reflection? What are some examples of reflections that you have seen? Free powerpoint template: www.brainybetty.com 12 What is a rotation?

Turn yourself to the right You have just rotated yourself! Commonly known as turns A rotation is a transformation that turns a figure about a fixed point called the center of rotation. An object and its rotation are the same shape and size, but the figures may be turned in different directions.

Free powerpoint template: www.brainybetty.com 13 What is a rotation? Rotations are made clockwise or counterclockwise Check this ou t! Free powerpoint template: www.brainybetty.com 14

What is a rotation? Can you rotate these objects? Example: Free powerpoint template: www.brainybetty.com 15 What is a rotation? What are some examples of rotations that you have seen?

Free powerpoint template: www.brainybetty.com 16 Lets make it a bit more interactive Geoboard Practice Play Golf! Try and Make P ar! The Less Moves, the Bett er! Free powerpoint template: www.brainybetty.com

17 Want to try more? Use a video camera to go outside and find examples of transformations in nature and around the school. Be sure to include slides, flips, AND turns in your video. Use iMovie to edit your video. Make it good! These will be presented to the class and posted on YouTube to help others in their quest

to learn more about translations, reflections, and rotations. Free powerpoint template: www.brainybetty.com 18

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