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Translations, Rotations, and Reflections

Transform ations…. Translations, Rotations, and Reflections. Modified by: Erica Warner Modified from: Powerpoint Posted by TexTeacher #1033 http://www.proteacher.org/c/314_Flips_Slides_and_Turns.html. Transform ations….

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Translations, Rotations, and Reflections

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  1. Transformations… Translations, Rotations, and Reflections Modified by: Erica Warner Modified from: Powerpoint Posted by TexTeacher #1033http://www.proteacher.org/c/314_Flips_Slides_and_Turns.html

  2. Transformations… • When 2 figures have the SAME SHAPE & SAME SIZE, they are CONGRUENT! congruent not congruent • Only CONGRUENT shapes can beTransformed!!! 

  3. Transformations… • The word transform means "to change.” • In geometry, a transformation changes the position of a shape on a coordinate plane. A shape is moving from one place to another. • There are three basic transformations: • Reflection (flip) -Translation (slide) • Rotation (turn) *taken from http://www.misterteacher.com/abc.html

  4. Translation = slide

  5. Rotation = turn

  6. Reflection = flip

  7. Reflection (flip) • A FLIP takes place when a shape is flipped across a line and faces the opposite direction. Because the shape ends up facing the opposite direction, it appears to be reflected, as in a mirror. Hence the name REFLECTION. • More definitions and examples @: http://www.misterteacher.com/abc.html

  8. Translation

  9. Reflection

  10. Rotation

  11. Translation

  12. T T Reflection

  13. Reflection

  14. Rotation

  15. Translation

  16. M M Translation

  17. Reflection

  18. Translation

  19. Now it is your turn!  “Lizzy the Lizard” Transformation Dance Transformations…

  20. Translation (slide) Slide 1 foot in a horizontal, vertical or diagonal direction and then move the other foot to join it. Reflection (flip) 180° jump to move in the opposite direction. Rotation (turn) Keep 1 foot in place and rotate 90°, then 180°, etc. (Pivot…like in basketball) The teacher (or a student) will call out transformations in random order while students ‘dance’! Let’s have some fun!  Transformation Dance Motions

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