Parallel Lines: Two lines in the same plane that never intersect.
Parallelogram: A quadrilateral where both pairs of opposite sides are parallel.
Parentheses: Enclosures for quantities to be grouped together.
Percent: The number of parts per hundred.
Percentage: The result obtained by taking a given percent of the base.
Percent of Change: The ratio of the amount of change to the original amount expressed as a percent.
Percent of Decrease: The percent of change found when the original amount decreases.
Percent of Increase: The percent of change found when the original amount increases.
Perfect Square: A whole number with integer square roots.
Perimeter: The perimeter of a figure is the distance around the figure.
Perpendicular Lines: Lines that inter sect to form right angles.
Pi: The ratio expressed by dividing the circumference of any circle by its diameter.
Place value: The value of the symbol, according to its place in the numeral.
Point: The position of the intersection of two lines. It does not have length, width, or thickness.
Polygon: A plane geometric figure bounded by three or more line segments that join without crossing one another.
Polynomial: An algebraic expression with one or more variables.
Positive Number: Number greater than zero.
Power: A power of a number is the product obtained by multiplying the number by itself a given number of times.
Product: The result of the multiplication of the multiplicand and the multiplier.
Prime Factorization: A number written as a product of prime factors.
Prime Number: A natural number bigger than one whose only divisors are I and itself.
Probability: How likely it is that an event will occur.
Proper Fraction: A fraction with a value less than one.
Prime Factorization: The prime factorization of a number is the expression of the number as the product of its prime factor.
Pythagorean Theorem: In any right triangle, the sum of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse.