Transformations Vocabulary

Congruence

• when a shape is enlarged

• when two figures are the same size and same shape

• when the rotation moves two quadrants

Tags

CCSS.8.G.A.2

Dilation

• a transformation that enlarges or reduces a figure

• all types of transformation

• when we "flip" across a line of reflection

Tags

CCSS.8.G.A.3

Image

• a slide or flip

• the original shape or figure

• a shape or figure after a transformation; the new figure

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Orientation of a Figure

• the direction in which a figure is placed on a coordinate plane

• when a shape has the same side lengths

• two shapes that are not congruent

Tags

CCSS.8.G.A.2

Pre-Image

• a shape or figure after a transformation, the new figure

• a transformation that rotates around the origin

• a shape or figure before a transformation; the original figure

Tags

CCSS.HSG.CO.A.2

Reflection

• a transformation that produces a mirror image of the original figure over a line of

• a transformation that rotates clockwise or counterclockwise

• when a scale is less than 1

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotation

• the axis that runs vertical

• a transformation that turns a figure around a center of rotation

• how we calculate the scale factor

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Scale Factor

• the ratio of corresponding sides in similar figures; the multiplier used to create a dilation

• when we find the area of a figure

• when we determine that shapes are congruent

Tags

CCSS.8.G.A.3

Similarity

• when shapes have the same side lengths

• when two figures are the same shape and have proportional sides and congruent angles, but not always the same size

• when we plot on coordinate plane

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Translation

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

• rotation and reflection

• a transformation that moves a figure to no specific location

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5