Lesson on Rotations

Rotations

Cohort A

by Brenda Justimbaste

POINT

SAME

CENTER OF ROTATION

ORIGIN

( ' ) PRIME

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Multiple Choice

Triangle A is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D

Multiple Choice

Triangle D is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D

Multiple Choice

Which rotation is the same as 90 degrees rotation clockwise?

• 90 degrees counter clockwise

• 270 degrees counterclockwise

• 180 degrees clockwise

• 270 degrees clockwise

Multiple Choice

Which rotation is the same as 180 degrees rotation counterclockwise?

• 90 degrees counter clockwise

• 270 degrees counterclockwise

• 180 degrees clockwise

• 270 degrees clockwise

Multiple Choice

Which rotation is the same as 270 degrees rotation clockwise?

• 90 degrees counter clockwise

• 270 degrees counterclockwise

• 180 degrees clockwise

• 270 degrees clockwise

Multiple Choice

Triangle A is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which rule describes rotating 270° counterclockwise?

• (x,y)→(y, -x) 

• (x,y)→(-y,x)

• (x,y)→(x,y)

• (x,y)→(-x,-y)

Multiple Choice

Rotate the point (-5,8) around the origin 270 degrees counterclockwise. State the image of the point.

• (-8,5)

• (8,-5)

• (8,5)

• (5,-8)

Multiple Choice

Rotate the point (-3,-4) around the origin 180 degrees clockwise. State the image of the point.

• (-4,-3)

• (4,-3)

• (-4,3)

• (3,4)

Multiple Choice

What is the angle of rotation for this COUNTERCLOCKWISE rotation about the origin?

• 90°

• 180°

• 270°

• 360°

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