Transformation vocabulary

Front

Translation

Back

A transformation that moves each point of a figure the same distance and same direction.

Front

Dilation

Back

A transformation that enlarges or reduces a figure.

Front

Congruence

Back

When two figures are the same size and same shape.

Front

Pre-Image

Back

A shape or figure before a transformation; the original figure.

Front

Orientation of a Figure

Back

The direction in which a figure is placed on a coordinate plane.

Front

Reflection

Back

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

Front

Rotation

Back

A transformation that turns a figure around a fixed point.

Front

Image

Back

A shape or figure after a transformation; the new figure.

Front

Scale Factor

Back

The ratio of the lengths of two corresponding sides of two similar figures.

Front

Similar Figures

Back

Figures that have the same shape but not necessarily the same size.