|
Parabola
|
The set of points equidistance from a focus and a directrix. |
|
Parallel
|
Means that two lines will never intersect even if they go on forever, like these: || |
|
Parallelogram
|
A quadrilateral with both pairs of opposite sides parallel to each other. |
|
Pentagon
|
A five-sided polygon. |
|
Percent
|
The amount out of 100. 4/5 is equal to 80/100, and is thus 80%. |
|
Perimeter
|
The distance around the outside of a figure. |
|
Perpendicular
|
Lines that intersect at right angles, like in a plus sign (+). |
|
Pi
|
The ratio of the circumference to the diameter of a circle (~3.14159). |
|
Plane Geometry
|
The study of two-dimensional figures. |
|
Point
|
A particular place in space that is infinitely small, and has a length, width and depth of 0. |
|
Polygon
|
A closed figure with at least 3 straight sides, like a square or octagon. |
|
Positive Number
|
Any integer greater than zero. {1,2,3,4,5,...} |
|
Prime Factorization
|
The calculation of every prime factor in a given number. The prime factors of 12 are 3, 2, and 2. |
|
Prime Number
|
An integer which can only be divided evenly by itself and 1. The smallest is 2, and others are 3,5,7,11,13,17,19... |
|
Prism
|
A solid with parallel bases, congruent polygons, and sides that are all parallelograms. |
|
Probability
|
The odds of an event occuring. 50% means the event will occur 1 out of every 2 times. |
|
Product
|
The result of multiplication. In 2 x 3, 6 is the product. |
|
Proper Factor
|
The factors of a number except itself. The proper factors of 12 are 1,2,3,4 and 6. |
|
Proper Fraction
|
A fraction with a greater denominator than numerator, like 6/11. |
