Grade 6 Math
polygon
a closed plane figure made up of line segments
ratio
a comparison of 2 quantities
rate
a comparison of 2 quantities that have different units
factor tree
a diagram showing the prime factorization of a number
quadrilateral
a four sided polygon
improper fraction
a fraction whose numerator is larger than the denominator
variable
a letter used to represent an unknown
mixed number
a number made up of a whole number and a fraction
factor
a number multiplied by another number to get a product
exponent
a number that shows how many times the base is to be multiplied by itself
ordered pair
a pair of numbers (x,y) that locate a point on the coordinate plane
coordinate plane
a plane divided into four regions by a horizontal line called the x-axis and a vertical line called the y axis
percent
a ratio that compares a number to 100, per 100
constant
a specific number whose value does not change
inequality
a statement that two quantities are not equal
proportion
a statement that two ratios or rates are equal
solution
a value for the variable that makes an equation true
equilateral
all sides or faces equal
algebraic expression
an expression that contains 1 or more variables and operation symbols
rational number
any number that can be written as a fraction
mean
average; a measure of center
prime factorization
breaking down a number until all of the factors are prime
integer
counting numbers and their opposites, includes zero
whole numbers
counting numbers starting at zero
equivalent fractions
different fractions that are equal in value
absolute value
distance from zero on a number line
x-axis
horizontal line on a coordinate plane
range
measure of spread; subtract the lowest number from the highest number
median
middle; a measure of center
mode
most; the data point that occurs the most frequently in a set
coefficients
numbers multiplied by a variable
quadrant
one of four sections into which the coordinate plane is divided
coordinates
ordered pairs that identify points on a coordinate plane (x,y)
terms
parts of the expression between the operation signs
unit rate
rate in which the second quantity is one unit
congruent
same size and shape
horizontal
straight across from side to side
vertical
straight up and down
volume
the amount of space occupied by an object
quotient
the answer to a division problem
product
the answer to a multiplication problem
difference
the answer to a subtraction problem
sum
the answer to an addition problem
diameter
the distance across a circle through its center
perimeter
the distance around a shape
radius
the distance from the center of a circle to any point on the circle (half the diameter)
denominator
the divisor (downstairs) number of a fraction
greatest common factor (GCF)
the largest factor 2 or more numbers have in common
multiple
the product of a number and the counting numbers
least common multiple (LCM)
the smallest number, other than zero, that is a multiple of two or more given numbers
area
the space inside a shape
surface area
the sum of the area of all faces of a 3D figure
numerator
the top number of a fraction
like terms
variables raised to the same power(s)
y-axis
vertical line on a coordinate plane