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Absolute Value
The distance a number is from zero on a number line, always positive.
Angle
A figure formed by two rays with a common endpoint (vertex).
Area
The measure of the space inside a two-dimensional shape (e.g., square, rectangle, triangle).
Average (Mean)
The sum of a set of numbers divided by the number of values.
Bar Graph
A chart that represents data using rectangular bars.
Coordinate Plane
A two-dimensional plane used for graphing, consisting of x- and y-axes.
Decimal
A number that represents a fraction of 10, expressed using a dot (e.g., 3.14).
Equation
A mathematical statement that two expressions are equal.
Exponent
The number that indicates how many times to multiply the base number by itself.
Factor
A number that divides another number exactly.
Fraction
A part of a whole, represented by a numerator and denominator.
Geometry
The branch of math that deals with shapes, sizes, and the properties of space.
Graph
A diagram that represents data or relationships between variables.
Integers
Whole numbers and their negatives (e.g., -3, 0, 4).
Mean, Median, Mode
Measures of central tendency
mean = average
median = middle value
mode = most frequent value
Multiples
he result of multiplying a number by an integer.
Perimeter
The total length of the sides of a polygon.
Percent
A way of expressing a number as a fraction of 100.
Probability
The likelihood of an event occurring.
Proportion
A relationship between two ratios or rates.
Quadrilateral
A polygon with four sides.
Ratio
A relationship between two numbers showing how many times the first number contains the second.
Scale
The ratio of the size of a model or drawing to the size of the actual object.
Surface Area
The total area of the surface of a three-dimensional object.
Volume
The amount of space a three-dimensional object occupies.