Number & Operations
A number that can be written as a fraction.
Rational Number
A comparison of two quantities using division.
Ratio
A letter or symbol used to represent an unknown number.
Variable
A three-sided polygon with interior angles that add to 180 degrees.
Triangle
The spread of a data set (difference of its maximum and minimum values).
Range
The distance a number is from 0 on a number line.
Absolute value
Two equal ratios.
Proportion
The value of an expression that does not change.
Constant
Quadrilateral with 2 pair of parallel sides and no right angles.
Parallelogram
The middle value of an ordered data set.
Median
Rational number subset that begins with 0
Whole numbers
A ratio with a denominator of 1.
Unit rate
A mathematical sentence that shows two expressions are equal.
Equation
Relationship of the base and height of a polygon
Perpendicular
Calculated by adding the values of a data set and dividing the sum by the number of values.
Mean
The rational number subset that includes whole numbers and their opposites
Integers
(0,0) on the coordinate grid
Origin
The number that is being multiplied to a variable in a mathematical expression.
Coefficient
Quadrilateral with only 1 pair of parallel sides.
Trapezoid
Distribution of a data set that is evenly balanced around a center point.
Symmetrical
A number written as a ratio comparing a number to 100.
Percent
The ratio between corresponding measurements of an object and a representation of that object.
Scale factor
Expressing a given number as the product of its prime factors.
Prime factorization
Triangle with only two congruent sides.
Isosceles
Distribution of a data set where most of the data is on the right side of the center.
Skewed left