MC: 8th grade Unit 1 Rigid Transformations; Lessons 2 and 3

A ______ slides a figure without turning it. Every point in the figure goes the same

distance in the same direction.

• rotation

• transfigure

• translation

• reflection

A ______ turns a figure about a point, called the center of rotation.

• turn

• rotation

• movement

• flip

Every point on a figure in the circle of rotation goes in a circle around the center and makes the same angle. The rotation can be going in the same direction as the hands of a clock, or ________.

• forwards

• timewise

• circular

• clockwise

Every point on a figure in the circle of rotation goes in a circle around the center and makes the same angle. The rotation can also be going in the opposite direction as the hands of a clock, or ________.

• counterclockwise

• opposite

• backwards

• reverse

A ______ places points on the opposite side of a special line. It creates a mirror image that

is a backwards copy of the original figure.

• copy

• mirror

• duplicate

• reflection

The word ______ describes the new figure created by moving the original figure

• picture

• image

• drawing

• graph

If one new point from an original figure moves to another point on a

new figure, this point is called a ______ point(s).

• duplicate

• related

• corresponding

• mirror

What is the symbol for prime?

• '

• .

• !

• ,

***Bonus*** What are the 3 main rules when drawing on an Isometric Grid?

(choose 3 answers)

• parallel edges appear as parallel lines

• it only shows shapes in 2 dimension

• horizontal edges are drawn at 30 degrees

• vertical edges are drawn as vertical lines