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Naming the Moves: IM 8.1.2
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1. Lesson 8.1.2
- IM 8.1.2 Lesson: Naming the Moves
- Copy of IM 8.1.3 Lesson: Grid Moves
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2. Practice 8.1.2
- IM 8.1.2 Practice: Naming the Moves
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3. 8.1.3
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Naming the Moves: IM 8.1.2
IM 6 – 8 Math, GeoGebra Classroom Activities, Jennifer Williams, Dec 3, 2024
“Naming the Moves” from IM Grade 8 by Open Up Resources and Illustrative Mathematics. Licensed under the Creative Commons Attribution 4.0 license.
Table of Contents
- Lesson 8.1.2
- IM 8.1.2 Lesson: Naming the Moves
- Copy of IM 8.1.3 Lesson: Grid Moves
- Practice 8.1.2
- IM 8.1.2 Practice: Naming the Moves
- 8.1.3
IM 8.1.2 Lesson: Naming the Moves
Quadrilateral A can be rotated into the position of Quadrilateral B. Estimate the angle of rotation.
Here is another set of dance moves. Use the black points to move the frames and the open circles to rotate them.
Describe the move or say if it is a new move from Frame 1 to Frame 2.
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Describe the move or say if it is a new move from Frame 2 to Frame 3.
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[code]Code [ctrl+shift+4]
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Describe the move or say if it is a new move from Frame 3 to Frame 4.
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• Unordered list
1. Ordered list
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[code]Code [ctrl+shift+4]
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[bbcode]
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Describe the move or say if it is a new move from Frame 4 to Frame 5.
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• Unordered list
1. Ordered list
Link [ctrl+shift+2]
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
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Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
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Describe the move or say if it is a new move from Frame 5 to Frame 6.
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• Unordered list
1. Ordered list
Link [ctrl+shift+2]
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
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Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
How would you describe the new move?
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• Unordered list
1. Ordered list
Link [ctrl+shift+2]
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
Insert table
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Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
Drag the cards to sort them into categories according to the type of move they show.
Describe each category and why it is different from the others.
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• Unordered list
1. Ordered list
Link [ctrl+shift+2]
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
Insert table
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Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
You can explore the applets below to see the ways the images move. Drag the red point. Explore how the image changes.
Click on the box to show the transformed image. Move the yellow points and the red segment to see how the image changes.
IM 8.1.2 Practice: Naming the Moves
Each of the six cards shows a shape.
Which pair of cards shows a shape and its image after a rotation?Font sizeFont size
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1. Ordered list
Link [ctrl+shift+2]
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
Insert table
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Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
Which pair of cards shows a shape and its image after a reflection?
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• Unordered list
1. Ordered list
Link [ctrl+shift+2]
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
Insert table
Remove Format
Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
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The five frames show a shape's different positions.
Describe how the shape moves to get from its position in each frame to the next.Font sizeFont size
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• Unordered list
1. Ordered list
Link [ctrl+shift+2]
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
Insert table
Remove Format
Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
The rectangle seen in Frame 1 is rotated to a new position, seen in Frame 2.
Select all the ways the rectangle could have been rotated to get from Frame 1 to Frame 2.Saving…
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