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01 Intro to Transformations.notebook
1
August 22, 2017
Bellwork
25
3212
m 1 = _____m 2 = _____
01 Intro to Transformations.notebook
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August 22, 2017
Reminders: Last week (block day) there was a quiz. Make it up by Thursday.
Objective:
SWBAT describe the four different types of transformations.
01 Intro to Transformations.notebook
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Today: notes on transformations translation activity
Please: Cell phones completely away. Bags and backpacks under your desk.
01 Intro to Transformations.notebook
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August 22, 2017
Assignment due today.
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Unit 2: Transformationstitle your notes
01 Intro to Transformations.notebook
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Transformation: Change in the position, size, or shape of a figure or graph.
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PreImage: The original figure
Image: The figure after a transformation.
preimageimage
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Primes (') are used to label the image.
XZ
Y
X'Z'
Y'
XYZ X'Y'Z'
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The 4 Types of Transformations
Translation: slides a figure
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The 4 Types of Transformations
reflection: creates a mirror image
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August 22, 2017
The 4 Types of Transformations
rotation: spins an object around a point
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The 4 Types of Transformations
dilation: makes an object larger or smaller
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What is the major difference between dilations and the other transformations?
Discuss:
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isometry (rigid transformation): a transformation that does NOT change the size or shape of a figure.
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1. What is the difference between a preimage and an image?2. Which figure below is the image (Figure 1 or Figure 2)? How do you know this?
A
B
C2 A'
B'
C'1
Discuss:
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Everyone receive the "Translations Activity".Make sure you have a PENCIL and a ruler.
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Graph the preimage. Check and make extra sure it is correct before moving on.
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