Definitions
Measurement
Shapes
Angles
Grab Bag
100
A location with no shape nor size.
What is a point?
100
A part of a line with two end points.
What is a line segment?
100
A triangle with congruent sides.
What is an equilateral triangle?
100
An angle whose measure is less than 90 degrees?
What is an acute angle?
100

A piece of paper models this geometric term.

What is a plane?

200
When points are on the same plane.
What is coplanar?
200
Methods of creating geometric figures without the benefit of measuring tools.
What are constructions?
200
A quadrilateral with congruent sides.
What is a rhombus?
200
The unit of measure of an angle.
What is a degree?
200

A far-off star in the sky models this geometric term.

What is a point?

300
Points on the same line.
What is collinear?
300
Two line segments having the same measure.
What are congruent line segments?
300
A triangle with at least two congruent sides.
What is an isosceles triangle?
300
A part of a line. It has one endpoint and extends indefinitely in one direction.
What is a ray?
300
The number of legs that would create a chair that does not wobble.
What is three?
400
It's made up of points and has no thickness or width.
What is a line.
400
The sum of the lengths of the sides of a geometric figure.
What is the perimeter of the figure?
400
A quadrilateral with two pairs of parallel sides.
What is a parallelogram?
400
The common endpoint of two rays that make an angle.
What is the vertex of the angle?
400
The minimum number of points necessary to draw a line segment.
What is two?
500
A flat surface made up of points. It has no depth and extends infinitely in all directions.
What is a plane?
500
The point halfway between the endpoints of a line segment.
What is the midpoint of the line segment?
500
A parallelogram with two pairs of parallel sides and at least one 90 degree angle.
What is a rectangle?
500
The instrument used to measure an angle on a flat surface.
What is a protractor?
500
The boundless, three-dimensional set of all points. It can contain lines and planes.
What is space?
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