Points, Lines, Planes, and Segment Addition

A part of a line consisting of two points and all points between them.

• ray

• endpoint

• line segment

• plane

Tags

CCSS.4.G.A.1

A point at one end of a segment or the starting point of a ray.

• line segment

• endpoint

• ray

• line

Tags

CCSS.4.G.A.1

A part of a line that starts at an endpoint and extends forever in one direction.

• segment

• endpoint

• opposite rays

• ray

Tags

CCSS.HSG.CO.A.1

It is a location and has no size, represented by a dot.

• ray

• endpoint

• point

• line

Tags

CCSS.HSG.CO.A.1

A straight path that has no thickness and extends forever.

• point

• line

• plane

• ray

Tags

CCSS.HSG.CO.A.1

A flat surface that has no thickness and extends forever.

• point

• line

• plane

• ray

Tags

CCSS.HSG.CO.A.1

Name 3 collinear points.

• S, O, R

• T, Q, R

• S, Q, P

• P, Q, R

Tags

CCSS.HSG.CO.A.1

An example of 2 non-collinear points.

• D, E
• C, B
• M, E
• F, B

Tags

CCSS.HSG.CO.A.1

A plane is named by...

• Any 1 point on the plane.
• Any 3 collinear points on the plane or a lowercase script letter.
• Any 3 non-collinear points on the plane or an uppercase script letter.
• All points on the plane that aren't part of a line.

Tags

CCSS.HSG.CO.A.1

True or False: Points A, B, and C are collinear.

• True
• False

Tags

CCSS.HSG.CO.A.1