Math 8 Transformations r.24

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 is a reflection in geometry?

Back

A reflection is a transformation that flips a figure over a line, creating a mirror image.

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 figure is reflected.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What does it mean for images to be congruent?

Back

Congruent images are figures that have the same shape and size but may be in different positions.

Tags

CCSS.8.G.A.2

Front

What is a pre-image?

Back

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

Tags

CCSS.HSG.CO.A.2

Front

What is an image in geometry?

Back

The image is the result of a transformation applied to the pre-image.

Tags

CCSS.HSG.CO.A.2

Front

What happens to the orientation of a figure during a reflection?

Back

The orientation of a figure is reversed during a reflection.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a rotation in geometry?

Back

A rotation is a transformation that turns a figure around a fixed point.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the difference between a 90° clockwise rotation and a 90° counterclockwise rotation?

Back

A 90° clockwise rotation turns the figure to the right, while a 90° counterclockwise rotation turns it to the left.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the effect of a transformation on the size of a figure?

Back

Transformations such as reflections and rotations preserve the size of the figure.

Tags

CCSS.HSG.CO.A.2