OpenUp 8th Math 1.2 Practice Problems and Vocab

___ means to turn in the same direction as the hands of a clock. It is a turn to the right. This diagram shows Figure A turned ___ to make Figure B.

(a)  

When part of an original figure matches up with part of a copy, we call them ___ing parts. These could be points, segments, angles, or distances.

For example, point B in the first triangle corresponds to point E in the second triangle.

Segment AC __s to segment DF.

(a)  

______ means to turn opposite of the way the hands of a clock turn. It is a turn to the left.

This diagram shows Figure A turned ____ to make Figure B.

(a)  

An is the___ result of translations, rotations, and reflections on an object. Every part of the original object moves in the same way to match up with a part of the ___.

In this diagram, triangle ABC has been translated up and to the right to make triangle DEF. Triangle DEF is the ___ of the original triangle ABC.

(a)  

A ___ across a line moves every point on a figure to a point directly on the opposite side of the line. The new point is the same distance from the line as it was in the original figure.

This diagram shows a ____ of A over line l that makes the mirror image B.

(a)  

A ___ moves every point on a figure around a center by a given angle in a specific direction.

This diagram shows Triangle A with a ___ around center O by 55 degrees clockwise to get Triangle B.

(a)  

A ___ moves every point in a figure a given distance in a given direction. 

This diagram shows a ___ of Figure A to Figure B using the direction and distance given by the arrow.

(a)  

Each of the six cards shows a shape.

Which pair of cards shows a shape and its image after a rotation?

• 1 and 4

• 1 and 6

• 2 and 4

• 3 and 5

Each of the six cards shows a shape.

Which pair of cards shows a shape and its image after a reflection?

• 1 and 4

• 1 and 6

• 2 and 4

• 3 and 5

The five frames show a shape's different positions.

Describe how the shape moves to get from its position in each frame to the next.