Rotations on a Coordinate Grid

The point of rotation is:

• A point on a grid.

• The point on a shape.

• The shape on the grid

• The point that a shape rotates around.

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotations can be described using x-y coordinates.

• True

• Flase

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

To completely describe a rotation, you must use:

• Coordinates of the origin

• Angle of rotation

• Point of rotation

• Direction of rotation

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The most common angles used to describe rotations are

• Right and Obtuse

• Right and Acute

• 90, 180, and 270 degrees

• Straight angles

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be?

• (-5, 5)

• (-3, -5)

• (-5, 3)

• (-3, 3)

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• (-5, 5)

• (-3, 5)

• (-5, 3)

• (-3, 3)

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How many degrees was the figure rotated?

• 90 degrees counterclockwise 

• 180 degrees

• 270 counterclockwise 

• 90 degrees clockwise

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CCSS.HSG.CO.B.6

CCSS.8.G.A.2

Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?

• (x,y)→(y, -x) 

• (x,y)→(-x,-y)

• (x,y)→(-y,x)

• (x,y)→(x,y)

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Identify the transformation from A to D.

• 90^o Clockwise Rotation

• 180^o Rotation

• 270^o Clockwise Rotation

• 360^o Rotation

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CCSS.HSG.CO.B.6

What are the coordinates of C' after a rotation of 180° clockwise?

• (-3, -1)

• (3,1)

• (1,3)

• (-1, -3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5