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
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
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
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
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
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
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
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