Points and Ends
Lines
Angles
Shapes
Shapes (continued)
100
An exact location in space. (Lines have infinitely many of these!)
Point
100
A straight path joining two endpoints.
Line segment
100
A figure that is formed by two rays or two line segments with a common endpoint.
Angle
100
A polygon with three sides.
Triangle
100
A parallelogram with four right angles. (Hint: the sides are not always equal length!)
Rectangle
200
The point where the sides of an angle, the sides of a polygon, or the edges of a polyhedron meet.
Vertex (plural: vertices)
200
A straight path that extends infinitely in opposite directions.
Line
200
A 90 degree angle. (Hint: You could fit a box in the corner!)
Right angle
200
A polygon that has four angles (same as quadrilateral).
Quadrangle
200
A rectangle whose sides are all the same length.
Square
300
A point at the end of a line segment or ray.
Endpoint
300
A straight path that starts at one point (called the endpoint) and continues forever in one direction.
Ray
300
BONUS QUESTION: What is another name for angle RST?
Angle TSR
300
A polygon that has four sides. (Same as quadrangle!)
Quadrilateral
300
A quadrilateral with two pairs of parallel sides.
Parallelogram
400
BONUS QUESTION: What is the plural of the word vertex?
Vertices
400
BONUS QUESTION: What is the difference between a LINE and a RAY?
A line extends on both sides, a ray has an endpoint on one side and extends on the other.
400
Where point is the vertex in an angle named CAT?
A
400
A quadrilateral whose sides are all the same length. This shape is always a parallellogram, but never a square!
Rhombus
400
A quadrilateral that has exactly one pair of parallel sides.
Trapezoid
500
BONUS QUESTION: What is another name for a line segment with endpoints labeled GF?
Line segment FG
500
BONUS QUESTION: What are parallel lines?
Lines that never intersect.
500
BONUS QUESTION: Have one person on your team model an angle with their body.
You look silly.
500
A quadrilateral with two pairs of adjacent equal sides. The four sides cannot all have the same length!
Kite
500
BONUS QUESTION: What is the difference between "convex" and "concave"?
Points in a convex shape point out, points in a concave shape point inward.
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