# Math Vocabulary Words

## Terms

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- equailateral triangle
- a triangle with three congruent sides
- perpendicular lines
- lines in a plane that intersect to form right angles
- GCF
- the greatest factor that is common to two or more numbers
- circumferemce
- the distance around, or the perimeter, of a circle
- circle
- a closed plane figure all of who's points are equidistant
- area
- the number of quare units a region contains
- proportion
- an equation stating that two ratios are equal
- radius
- a segment from the center of a circle to a point on the circle
- octagon
- a polygon with 8 sides
- rectangle
- a quadrilateral with all angles and all sides congruent
- mean
- the average of the set of numbers
- hexogon
- a polygon with six sides
- probability
- a branch of mathematics that analyzes the chance that a given outcome will occur
- line
- a set of point in order extending indefinetly in oposite directiona
- corresponding angles
- are angles which are in a similar position in relation to the transversal and the line that it intersects
- equivalent fraction
- fractions that name the same number
- associative property of multiplication
- the grouping of all factors does not change the product
- communitive property of multiplication
- the order of the factors does not change the products
- obtuce angle
- an angle measuring between 90 and 180 degrees
- prime number
- a whole number greater than 1 that has only two factors, 1 and itself
- indentify element of addition
- one is the identity element in multiplycation because multiplying a number by one does not change it's value
- isoecele triangle
- a triangle having two opposite sides and two opposite angles congruent
- distributive property of multiplication over add
- the product of a factor times a sum can be written as the sum of the two products
- range
- the difference between the greatest and the least number in a set of numbers
- orgin
- the point in the coordinate plane where the x-axis and the y-axis intersect
- associative property of addition
- the grouping of the addens does not change the sum
- parallelogram
- quadrilateral with two pairs of parallel lines
- mixed number
- a number having a whole number part and a fraction part
- factor
- one of two or more numbers that are multiplied to form a product
- meter
- the basic unit of length in the metric system
- communitive property of addition
- the order of the addends does not change the sum
- perimeter
- the measure of a distance around a figure
- discount
- a reduction of the regular, or list, price of an item
- parellel lines
- lines in a plain that never intersect
- simple intrest
- the amount paid to the bank to a depo
- improper fraction
- a fraction that has it's numerator equal to are greater than its denominator
- ray
- part of a line with one end point
- diameter
- a unit of length in teh metric system equal to 0.1 meter
- interest
- the amount paid by the borrower for the use of a principle for a stated period of time
- numerator
- the numerator of a fraction names the number of parts being considered
- expression
- an open mathamatical phase or sentence containing one or more varibles; the value of the expression depends upon the value given the variable
- interger
- numbers that are either positive are negitive and 0
- point
- a location are position usually named by a capital letter of the alphabet
- acute angle
- a angle measuring less than 90 degree's
- ordered pairs
- a pair of numbers that locate a point in a coordinate pair
- ratio
- a comparison of two numbers by division
- quadrilateral
- a four sided polygon
- line of symmetrey
- a line that divides a figure into two opposite directions
- divisible
- a number by which the divided
- prime factorization
- expressing a composite number as the product of two or more prime numbers
- quadrant
- one of four sections into which the coordinate plane is divided
- order of operation
- the order in which mathematical operations must be done when more than one operation is insolved
- square root
- a number which when multiplied by itself gives the original number
- multiple
- the product of a given number and any whole number
- scalene triangle
- triangle with no congruent sides
- exponent
- a numeral that tells how many times the base is to be used as a factor
- precent
- the ratio or comparison of a number to 100
- complementary angels
- two angles the sum of 90 degrees
- rhombus
- a parellolgram with all sides congruent and opposite angles congruent
- identify element of Addition
- zero is a identity element in addition because adding zero to a number does not change zero
- pi
- the ratio of the circumference to the diameter of any circle
- equation
- a mathmatical sentence expressing equality
- right angle
- a angle measuring exactly 90
- triangle
- a polygon with three sides
- terminating decimal
- a decimal that has no remainders.a decimal that has no remainders
- pentagon
- a polygon with five sides
- cube
- a rectangular prism with six congruent faces
- mode
- the number that appears most frequently a set of numbers
- segment
- a part of a line that has two end points
- angle
- two rays with a common endpoint, called the vertex
- absolute value
- the distance of a number is from zero on a nuber line
- suplementary angle
- two angles the sum of whose measures 180
- square
- a rectangle with four sides of the same measure
- composite number
- a whole number greater than
- vertex
- the common end point of wo rays in an angle,two line segments in a polygon, or three or more edges in a polyhedron
- LCM
- the least number, other than 0, that is a common multiple of two or more numbers
- median
- the middle number of the two sets of numbers, the average of two numbers in the middle numbers
- polygon
- a simple closed figure with sides that are line segments
- eually likely outcomes
- the chance is the same of getting any one of the desired outcomes
- trapezoid
- a quaderlateral with one pair of quaderlateral sides
- variable
- a letter of the alphabet that stands for a number value in mathamamatical expression or equation