Lines and AnglesMs. McGhee3rd grade 2015

LinesLines

Lines Rays Segments Parallel lines Perpendicular lines Intersecting lines Point Midpoint

Lines Lines are a straight set of points that

extend (stretch) in opposite directions. Lines are everywhere!

Rays A ray is part of a

line that starts at an end point and extends in the opposite direction.

Segments A segment is part

of a line that starts and ends between two endpoints.

Parallel Lines Parallel lines are

two or more lines beside each other that never intersect.

Perpendicular Lines Perpendicular lines

are lines that intersect at square corners.

Intersecting Lines Intersecting lines

meet at a common point.

Quiz: What do you know?

What type of lines do you see?

Angles Right Obtuse Acute

Right Angle A right angle is

always 90 degrees and forms a square in the corner.

Obtuse Angles Obtuse angles

are greater than a right angle.

Acute Angles Acute angles are

less than right angles.

What types of angles do you see?