Transformations Vocabulary

Front

What is a transformation in geometry?

Back

A transformation is an operation that moves or changes a shape in some way to produce a new shape.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What are the four main types of transformations?

Back

Translation, Rotation, Reflection, and Dilation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Define reflection in geometry.

Back

Reflection is a transformation that flips a shape over a line, creating a mirror image.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What does it mean to rotate a shape?

Back

To rotate a shape means to turn it around a fixed point, called the center of rotation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is translation in geometry?

Back

Translation is a transformation that slides a shape from one position to another without changing its size, shape, or orientation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the result of a transformation called?

Back

The result of a transformation is called the image.

Tags

CCSS.HSG.CO.A.2

Front

What is the pre-image in a transformation?

Back

The pre-image is the original shape before any transformation is applied.

Tags

CCSS.HSG.CO.A.2

Front

What does a 90° clockwise rotation do to a shape?

Back

A 90° clockwise rotation turns the shape 90 degrees to the right around a center point.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What does a 90° counterclockwise rotation do to a shape?

Back

A 90° counterclockwise rotation turns the shape 90 degrees to the left around a center point.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the line of reflection?

Back

The line of reflection is the line over which a shape is flipped to create its mirror image.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5