FOUR SIDED FUN
A straight line that has two endpoints.
A line segment
Two rays or line segments that share the same endpoint.
An angle
Michael made an array with square tiles. The array is 3 tiles long and 5 tiles wide. What is the area?
What is 15 square units?
A straight line that has one endpoint and goes on forever in the other direction.
A ray
An angle that is exactly 90 degrees.
A right angle
Brandon made an array with square tiles. The array is 5 tiles long and 2 tiles wide. What is the perimeter?
What is 14?
A point where two lines meet.
A vertex or angle.
An angle that is less than 90 degrees.
An acute angle.
I am a polygon. I am not a quadrilateral. I have more than 4 sides, but I do not have as many as a hexagon.
What is a pentagon?
A polygon with eight sides.
An octagon.
Two lines that stay the same distance apart and never intersect.
Parallel lines
An angle that is more than 90 degrees but less than 180 degrees.
An obtuse angle
I am not a quadrilateral, but I am a polygon. I have less sides than a quadrilateral.
What is a triangle?
A shape with only straight sides and no curves.
What is a polygon?
Two lines that meet to form a 90 degree angle.
Perpendicular lines
An angle that is exactly 180 degrees so that it forms a straight line.
A straight angle
How many lines of symmetry does a rectangle have?
2