Lines
Angles
2D Figures
3D Solids
Symmetry
100
A straight path of points that goes on and on in both directions forever.
What is a line?
100
This angle is created when perpendicular lines meet at 90 degrees.
What is a right angle?
100
A many sided figure.
What is a polygon?
100
A 3 dimensional solid which has only one curved surface.
What is a sphere?
100
The number of lines of symmetry in the letter H.
What is 2?
200
This part of a line has a definite starting point, but goes on and on forever in the other direction.
What is a ray?
200
An angle that is smaller than a right angle.
What is an acute angle?
200
The number of vertices in a hexagon.
What is 6?
200
A solid made of two triangular bases which are connected together.
What is a triangular prism?
200
When a figure is moved but not changed in any other way.
What is translation?
300
These lines go on and on forever, but never meet.
What are parallel lines?
300
An angle greater than a right angle.
What is an obtuse angle?
300
The two dimensions in a 2D figure.
What are length and width?
300
The number of edges in a cube.
What is 12?
300
When a figure is changed to show its mirror image.
What is reflection?
400
These lines meet at 90 degree angles.
What are perpendicular lines?
400
This angle is made when two lines meet perpendicularly.
What is a right angle?
400
The number of edges in an octogon.
What is 8?
400
The number of vertices in a square pyramid.
What is 5?
400
When a figure moves around a point.
What is rotation?
500
These lines meet but not at 90 degree angles.
What are intersecting lines?
500
The hands of a clock make this angle when the time is 4:00.
What is an obtuse angle?
500
A figure with only one set of parallel sides.
What is a trapezoid?
500
A 3D solid with only one vertex.
What is a cone?
500
When two figures are the same size and shape they are...
What is congruent?
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