Transformations, Sequences, and Congruence
Presentation
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Mathematics
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9th - 10th Grade
•
Hard
Joseph Anderson
FREE Resource
11 Slides • 17 Questions
1
Congruence Transformations
Geometry
Mrs. LaGrange
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Multiple Choice
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Multiple Choice
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Multiple Choice
Are these triangles congruent?
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Math spoken here.
Vocabulary
Transformation: the change
Preimage: original
Image: new
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Identify Transformations
Reflection: uses a line of reflection to create a mirror image of the original feature.
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Reflection Reference Guide:
Coordinate notation
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Multiple Choice
Which graph shows the pre-image reflected over y-axis?
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
Flipping a figure is a ...
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Rotation about a point
Rotation is the turning or spinning of a figure through a specific angle and direction about a fixed point.
Note: Point A is called the center of rotation or turn center.
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Rotation Quick Reference
Coordinate Plane (In this lesson if a rotation is shown in a coordinate plane the center of rotation is the origin.)
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Rotations: Direction and Angle
The direction of a rotation can be clockwise or counterclockwise. The angle of rotation is formed by rays drawn from the center of rotation through corresponding points on the original figure and its image.
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Translations:
In the coordinate plane, a translation moves an object a given distance right or left and up or down.
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
28
Congruence Transformations
Geometry
Mrs. LaGrange
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