Unit 7: Transformations Vocabulary

Front

What is a transformation in geometry?

Back

A transformation is an operation that moves or changes a shape to create 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

What is a translation?

Back

A translation is a transformation that slides a shape in a straight line from one position to another without changing its size or orientation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a rotation?

Back

A rotation is a transformation that turns a shape around a fixed point, called the center of rotation, by a certain angle.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a reflection?

Back

A 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 for two shapes to be congruent?

Back

Two shapes are congruent if they have the same shape and size.

Tags

CCSS.8.G.A.2

Front

What is the angle of rotation for a 90° clockwise rotation?

Back

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the angle of rotation for a 180° rotation?

Back

A 180° rotation turns a shape halfway around a point, resulting in an upside-down version of the original shape.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the angle of rotation for a 270° clockwise rotation?

Back

A 270° clockwise rotation turns a shape 270 degrees to the right around a point.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the difference between a rotation and a reflection?

Back

A rotation turns a shape around a point, while a reflection flips a shape over a line.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5