Introduction What about a change or orientation of the line of reflection? How does this change your thinking?

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Presentation transcript:

Introduction What about a change or orientation of the line of reflection? How does this change your thinking?

Page 49 (in Addendum Booklet) Remember: 90 degrees = 1/4 turn of your tracing paper 180 degrees = 2/4 turns of your tracing paper 270 degrees = 3/4 turns of your tracing paper

Page 50 (in Addendum Booklet) On this question, you will be creating three new line segments. Each new line segment will be a 180 degree rotation of the original line segment CD, but will use a different point of rotation.

Page 50 (in Addendum Booklet) Focus on Question 1 Trace Line Segment CD with labels and also Point E. Perform the rotation and label the image of C as A When rotating the figure, which points remain unchanged (do not move)? Which points change locations? A

Page 50 (in Addendum Booklet) Focus on Question 2 Use the original Line Segment CD. Perform the rotation and label the image of C as B and D as F. When rotating the figure, which points remain unchanged (do not move)? Which points change locations? B F A

Page 50 (in Addendum Booklet) Focus on Question 3 Perform the rotation and locate the image of C When rotating the figure, which points remain unchanged (do not move)? Which points change locations?

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Page 52 (in Addendum Booklet) Trace Triangle ABC We will use ROTATION with the center of rotation shown (Star)

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