
Rigid Motions
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Easy
+7
Standards-aligned
EDUARDO GORDIANO
Used 30+ times
FREE Resource
7 Slides • 17 Questions
1
Rigid Motions:
Translations, Reflections, Rotations
2
Poll
How was your weekend?
Good!
It was okay!
I was bored..
I'll tell you later.
3
Poll
Who is excited for spring break!?
TOO EXCITED, 2 WEEKS TO GO!
NOT SOON ENOUGH, 2 WEEKS TO GO :(
I want to be at school and learn math....
4
Poll
Which is better in your opinion?
5
Quick Review:
Translations: Moving a shape left, right, down, or up a certain amount of units.
Reflections: Mirroring a shape across a line of reflection.
6
Multiple Choice
Which transformation best describes a translation to the left?
7
Multiple Choice
What is the best way to describe this transformation? (P to Q)
4 right, 4 down
4 right, 1 down
1 right, 4 down
8
Multiple Choice
What type of transformation is this? (ABC to A'B'C')
Translation to the right
Reflection over x-axis
Reflection over y-axis
9
Multiple Choice
What type of transformation is this? (ABC to A'B'C')
Translation to the left
Reflection over x-axis
Reflection over y-axis
10
Multiple Choice
What type of transformation is this? (ABC to A'B'C')
Translation down
Reflection over x-axis
Reflection over y-axis
11
12
Rules:
- Always rotate counter clockwise, to the left
- Only rotate 90o, 180o, 270o
- AROUND THE ORIGIN.
Chapter 6+7: Rotations
13
Rotation of 90o
Moves over one quadrant.
(x, y) -> (-y, x)
Chapter 6+7: Rotations
14
Rotation of 180o
Moves over two quadrant.
(x, y) -> (-x, -y)
Chapter 6+7: Rotations
15
Rotation of 270o
Moves over two quadrant.
(x, y) -> (y , -x)
Chapter 6+7: Rotations
16
Multiple Choice
Which rotation best describes a 90o rotation?
17
Multiple Choice
Which rotation best describes a 90o rotation?
18
Multiple Choice
Which rotation best describes a 180o rotation?
19
Multiple Choice
Which rotation best describes a 180o rotation?
20
Multiple Choice
Which rotation best describes a 270o rotation?
21
Multiple Choice
Which rotation best describes a 270o rotation?
22
Multiple Choice
Which rotation best describes this image?
90
180
270
23
Multiple Choice
Which rotation best describes this image?
90
180
270
24
Multiple Choice
Which rotation best describes this image?
90
180
270
Rigid Motions:
Translations, Reflections, Rotations
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