Rotation Lesson Math

Rotations

March 2nd, 2021

Rotations

• Rotation is a "TURN"s

• Rotations are considered RIGID because the pre-images and final images will always be CONGRUENT (Same Shape, Same Size, Same Measurements, Same Lengths)

Multiple Choice

How many quadrants are there on a coordinate plane?

• 1

• 2

• 3

• 4

Multiple Choice

How many degrees is a quadrant worth?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

Multiple Choice

The clock is going in the __________ direction.

• Clockwise

• Counterclockwise

Multiple Choice

The clock is going in the __________ direction.

• clockwise

• anti-clockwise

Multiple Choice

Rotate the point (5,5) around the origin 180 degrees counterclockwise. State the image of the point.

Rule: (x, y) ---- ( -x, -y)

• (5,-5)

• (5,5)

• (-5,5)

• (-5,-5)

Multiple Choice

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

Rule: (x, y) ---- ( -x, -y)

• (-4, -3)

• (-4, 3)

• (4, -3)

• (3, 4)

Multiple Choice

Rotate the point (-5,8) around the origin 90 degrees clockwise. State the image of the point.

Rule: (x, y) ----- (y, -x)

• (-8,5)

• (8,-5)

• (8,5)

• (5,-8)

Multiple Choice

Rotate the point (7,8) around the origin 90 degrees counter clockwise. State the image of the point.

Rule: (x, y) ---- ( -y, x)

• (-7,-8)

• (8,-7)

• (-8,7)

• (8,7)

Multiple Choice

If you were to rotate ABCD 90°clockwise about the origin, what would the coordinate of A' be?

Rule: (x, y) ----- (y, -x)

• (-5, 5)

• (5, -3)

• (-5, 3)

• (-3, 3)