8th Grade : Transformations (ROTATIONS)

8th Grade : Transformations (ROTATIONS)

Intro to Rotations

Review of Translations & Reflections

Multiple Choice

ENTRY TASK Look at the picture and answer the question.

• A

• B

• C

• D

Clockwise Rotation

• The figure moves in the same direction as the hands of the clock.

• Moves towards the right.

TYPES OF ROTATIONS

90 - 1 turn

180 - 2 turns

270- 3 turns

360 - 4 turns ( back to original)

90 Degree Rotation Clockwise

Rotation the point (2,3) 90 Degrees Clock Wise.

The point (2,3) rotated 90 degrees clockwise results in an image at (3,-2).

Open Ended

What did you notice happened to the point when it was rotated 90 degrees clockwise?

Rotate this point 90 degrees clock wise

An Easy Trick is to lock your screen and turn it one time to right.

Multiple Choice

Rotate (6,2) 90 degrees clockwise.

• (-6,2)

• (-2.6)

• (2,-6)

• (6,2)

Multiple Choice

Rotate (-6,2) 90 degrees clockwise.

• (-6,2)

• (2.6)

• (2,-6)

• (6,2)

Poll

How do you feel about rotating a point 90 degrees clockwise?

• Keep Going, I Understand.

• I am a little confused, but Keep Going.

• Stop, I Need Help!

Multiple Choice

Rotate (-5,-3) 90 degrees clockwise.

• (-5,3)

• (5,3)

• (3,-5)

• (-3,5)

180 Degrees (Clockwise & Counter Clockwise)

Rotate the point (2,3) 180 degrees

The point (2,3) rotated 180 degrees clockwise or 180 counter clockwise results in an image at (-2,-3).

Open Ended

What did you notice happened to the point when it was rotated 180 degrees?

Rotate this point 180 degrees.

An Easy Trick is to lock your screen and turn it two time to right.

Multiple Choice

Rotate (6,2) 180 degrees

• (-6,-2)

• (-2.6)

• (2,-6)

• (6,2)

Multiple Choice

Rotate (-6,2) 180 degrees .

• (-6,2)

• (2.6)

• (2,-6)

• (6,-2)

Poll

How do you feel about rotating a point 180 degrees?

• Keep Going, I Understand.

• I am a little confused, but Keep Going.

• Stop, I Need Help!

Multiple Choice

Rotate (-5,-3) 180 degrees.

• (-5,3)

• (5,3)

• (3,-5)

• (-3,5)

270 Degrees (Clockwise)

Rotate the point (2,3) 270 degrees clockwise

The point (2,3) rotated 270 degrees clockwise results in an image at (-3,2).

Open Ended

What did you notice happened to the point when it was rotated 270 degrees clockwise?

Rotate this point 270 degrees clockwise.

An Easy Trick is to lock your screen and turn it three time to right.

Multiple Choice

Rotate (6,2) 270 degrees clockwise

• (-6,-2)

• (-2.6)

• (2,-6)

• (6,2)

Multiple Choice

Rotate (-6,2) 270 degrees clockwise.

• (-6,2)

• (2.6)

• (-2,-6)

• (6,2)

Poll

How do you feel about rotating a point 270 degrees clockwise?

• Keep Going, I Understand.

• I am a little confused, but Keep Going.

• Stop, I Need Help!

Multiple Choice

Rotate (-5,-3) 270 degrees clockwise.

• (-5,3)

• (5,3)

• (3,-5)

• (-3,5)

Counter Clockwise

• The figure moves in the opposite direction than the hands an ordinary clock.

• Moves towards the left

270 Degrees Clockwise & 90 Degrees Counter Clockwise

• Rotating a figure or point 270 Degrees Clockwise & 90 Degrees Counter Clockwise will result in the same image.

90 Degrees Clockwise & 270 Degrees Counter Clockwise

• Rotating a figure or point 90 Degrees Clockwise & 270 Degrees Counter Clockwise will result in the same image.

Multiple Choice

LESSON CLOSURE: LOOK AT THE PICTURE AND ANSWER THE QUESTION.

• A

• B

• C

• D