Introduction to Rotations

Introduction to Rotations

Multiple Choice

Rotations will turn around a fixed point (a point that does not move) called

• the center of rotation

• the point of reflection

• symmetry

Multiple Choice

Rotations can go 2 directions around the point of reflection called

• Right and left

• Clockwise and Counterclockwise

• Back and Forth

Multiple Choice

A circle has

• 180 degrees

• 270 degrees

• 360 degrees

Multiple Choice

There are ____Quadrants on the coordinate plane each measuring ___degrees

• 2: 180

• 3; 120

• 4; 90

Multiple Choice

If you started with a pre-image in Q1, then rotated it  $90\degree$  CCW (counterclockwise) around the origin. What quadrant would you graph your image?

• Q1

• Q2

• Q3

• Q4

Multiple Choice

If you started with a pre-image in Q1, then rotated it

90°

CW (clockwise) around the origin. What quadrant would you graph your image?

• Q1

• Q2

• Q3

• Q4

Multiple Choice

If you started with a pre-image in Q1, then rotated it 180 degrees

CCW (counterclockwise) around the origin. What quadrant would you graph your image?

• Q1

• Q2

• Q3

• Q4

Multiple Choice

True or False: A rotation is Rigid Motion so it proves the shapes are congruent.

• True

• False

Poll

What changes when rotating a figure? Select all that apply.

• Size

• Location

• Shape

• Orientation (this means the direction it is facing)

• Nothing changes