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.
Describe the move or say if it is a new move from Frame 2 to Frame 3.
Describe the move or say if it is a new move from Frame 3 to Frame 4.
Describe the move or say if it is a new move from Frame 4 to Frame 5.
Describe the move or say if it is a new move from Frame 5 to Frame 6.
How would you describe the new move?
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.
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.
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– GeoGebra Classroom Activities, IM 6 – 8 Math

Information: IM 8.1.2 Lesson: Naming the Moves