Unit 1, Lesson 2
Naming the Moves
Grade 8
Practice
Problem 1
Each of the six cards shows a shape.
- Which pair of cards shows a shape and its image after a rotation?
- Which pair of cards shows a shape and its image after a reflection?
Problem 2
The five frames show a shape's different positions.
Describe how the shape could move to get from its position in each frame to the next.
Problem 3
The rectangle seen in Frame 1 is rotated to a new position, seen in Frame 2.
A figure of rectangular Frame 1 and Frame 2, each with a rectangle. Frame 1 rectangle has sides parallel to the frame. Frame 2 rectangle has the left side down, the right side raised and no sides parallel to the frame.
Select all the ways the rectangle could have been rotated to get from Frame 1 to Frame 2.
\(40^\circ\) clockwise
\(40^\circ\) counterclockwise
\(90^\circ\) clockwise
\(90^\circ\) counterclockwise