points
lines
segments
rays
vocab
100
These are often shown as dots to represents location.
What are points
100
This is a straight set of points, one after another, that extends in both direction forever.
What is a line?
100
A part of line which begins at one point and ends at another point.
What is a line segment?
100
This is part of a line that starts at a point then extends along the line in one direction forever.
What is a ray?
100

This is formed by two rays with a common endpoint.

What is an angle?

200
This is what we use to represent specific points.
What are capital letters?
200

This is how to write "Line AB"

A double arrow "hat" over AB.

200

Endpoints are located here on a line segment

What are beginning and ending of the line

200
This is the starting point of a ray.
What is an endpoint of the ray?
200
This is the common endpoint of the rays making an angle.
What is the vertex of an angle?
300
The number of points in space.
What is infinity.
300

A 2-dimensional surface that has infinite length and width but no depth.

What is a plane

300
In segment NM, this is what points N and M are.
What are endpoints of segment NM.
300

This is how I would write the sign for ray MO.

What is a single arrow "hat" over the endpoint letter M and a second point letter O.

300

Two angles that add up to 180*

Supplementary Angles

400
This is what two lines intersect at (or what do two intersecting lines have in common?)
What is a point?
400

Name the meaning of this:   

             <----->

                CD

What is Line CD

400

How would you say this:

___ 

A B

What is a line segment AB

400
Two or more points in the same plane.
What are coplaner points?
400
This an angle that has a vertex point B and rays that go through points A and C.
What is angle ABC?
500

The common endpoint of an angle.

The vertex

500

Two or more points that lie on the same line.

colinear

500

Geometric figures that have the same size, shape and measure.

what is congruent

500

Two rays that share a common endpoint.

what is an angle

500

A portion of a line that includes endpoints and all the points between those two points.

Line Segment