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3d transformations

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Transcript

  • 1. 3d: Perform transformations (rigid and non-rigid motions) on two-dimensional figures using the coordinate plane (DOK 2)
    By: Deia Sanders
  • 2. Experiment
  • 3. Vocabulary
    Transformation: a transformation is a translation (sometimes called a slide), a reflection (sometimes called a flip), a rotation (sometimes called a turn), or a dilation (sometimes called an enlargement or reduction)
    Translation: a translation is the figure resulting from moving every point of a given figure a certain distance in a certain direction
  • 4. More Vocabulary
    Reflection: a figure is said to be reflected with respect to a line if a fold on the line makes the two figures coincide
    Rotation: a translation that moves the figure in a clockwise or counterclockwise direction with respect to a specific point
    Dilation: enlargement or reduction in the polygon; the polygons are similar
  • 5. Let’s look at some examples!
    Turn to pages 180- 184
  • 6. Turn to Handout #1
    • Draw a figure in quadrant 2
    • 7. Reflect 5 places to the right and 2 places down.
    • 8. Rotate it 90 degrees clockwise
  • Day 2
    3d: Perform transformations (rigid and non-rigid motions) on two-dimensional figures using the coordinate plane (DOK 2)
  • 9. Turn to Handout #1
    • Draw your first initial in block letters in quadrant I
    • 10. Label the coordinates of each vertex
    • 11. Sketch the translation across the x-axis (slide, not reflect). Label the coordinates and vertices.
    • 12. Translate your initial 4 units to the left and 2 units up. Label the coordinates and vertices.
    • 13. Check your neighbors work
  • Classwork
    Complete Handout #2
    page 196
    (you may want to use remaining graphs in Handout #1 to complete)
  • 14. Day 3
    3d: Perform transformations (rigid and non-rigid motions) on two-dimensional figures using the coordinate plane (DOK 2)
  • 15. Let’s Review Vocabulary
    Transformation
    Translation
    Reflection
    Rotation
    Dilation
  • 16. Review
    Please get out last nights homework and exchange papers
  • 17. Classwork
    Complete Handout #3
    Pages 198-199
  • 18. Practice Problems
    Review for test tomorrow