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Lines and AnglesMs. Ghio3rd grade
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?
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