Line-ish Things
Triangles
Quadrilaterals
Angles
Wild Card
100
This goes forever in both directions.
Line
100
This kind of triangle has sides that are all the same length.
Equilateral Triangle
100
Quadrilaterals have this many sides.
4
100
This kind of angle measures 90 degrees
Right Angle
100
When lines meet at a 90 degree angle, they are called this.
Perpendicular Lines
200
This has a point on each end.
Line Segment
200
This kind of triangle has a right angle.
Right Triangle
200
This kind of quadrilateral has four 90 degree angles, two sets of parallel sides, but the sides are not all the same length.
Rectangle
200
This kind of angle measures less than 90 degrees.
Acute Angle
200
Does your hand have a line of symmetry?
No
300
This has a point on one end, and goes on forever in the other direction.
Ray
300
This kind of triangle has an angle that is larger than 90 degrees.
Obtuse Triangle
300
This quadrilateral has four sides that are all the same length and four 90 degree angles.
Square
300
This kind of angle measures more than 90 degrees.
Obtuse Angle
300
The curved line that marks the inside of an angle is called this.
Arc
400
This is what you use to mark a specific spot.
Point
400
This kind of triangle has angles that are all less than 90 degrees.
Acute Triangle
400
This kind of quadrilateral has only one set of parallel lines.
Trapezoid
400
This kind of angle measures 180 degrees.
Straight Angle
400
The tallest mountain in the world is called this
Mt. Everest
500
Two lines that will never intersect are called this.
Parallel Lines
500
This kind of triangle has sides that are all different lengths.
Scalene Triangle
500
If you added up all the angle measurements of a quadrilateral, you would get this many degrees.
360 degrees.
500
A full circle has this many degrees.
360 degrees
500
Mr. Trevarthen's cat's name is
Notcha
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