Title: Lines
1Lines
Rina Iati Baresville Elementary SouthWestern
School District
2Line
A line goes on and on in both directions. A line
is drawn with an arrow on each end
3This is called a point!
When its at the end of a line it is called an
endpoint!
4Line Segment
A line segment is a part of a line. It is drawn
with two endpoints
5Ray
A ray goes on and on in one direction. It is
drawn with an arrow on one end and an endpoint on
the other.
6 Line Relationships
7Parallel Lines
Parallel lines are always the same distance
apart. They will never touch.
Enemy Lines
8Can you find the parallel lines?
9Intersecting Lines
Intersecting lines are two lines that cross each
other
Friends
10Can you find the intersecting lines?
11Perpendicular Lines
Perpendicular lines are two lines that intersect
to form right angles.
Married
12Can you find the perpendicular lines?
13Perpendicular lines are also intersecting lines
because they cross each other.
Perpendicular lines are a special kind of
intersecting lines because they always form
perfect right angles.
14Name each figure
Point
Line
Ray
Line Segment
Perpendicular
Intersecting
Parallel
15Well Done!