Exploring the Concept of Rotation in Geometry

What happens when one corner of a rectangular sign is tacked up?

• The sign rotates upwards.

• The sign swings down.

• The sign detaches.

• The sign remains static.

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How do mathematicians use rotation in relation to coordinate planes?

• To determine color

• To calculate area

• To measure perimeter

• To describe shape positions

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the first step in rotating an object on a coordinate plane?

• Selecting the shape to rotate

• Measuring the distance from the center

• Choosing the center of rotation

• Determining the angle of rotation

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What must be maintained when rotating a shape around a point?

• Angle of rotation

• Shape's color

• Shape's size

• Distance from the center

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which point is typically chosen as the center of rotation on a coordinate plane?

• Point (0,0)

• Point (0,1)

• Point (1,1)

• Point (1,0)

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What happens to a triangle when it is rotated one quarter turn counterclockwise around the origin?

• It increases in size.

• It moves to a different location.

• It changes color.

• It changes shape.

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What remains the same when a triangle is rotated around the origin?

• Its vertices

• Its distance from the center

• Its color

• Its location

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What symbol is used to show that a triangle has rotated?

• A dash

• A small arrow

• A square

• A circle

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What does rotation allow us to do with geometric shapes?

• Change their color

• Increase their size

• Move and describe their movement

• Alter their properties

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5