7th Grade Math Vocabulary
Terms in this set (50)
The amount of money deposited or borrowed.
An equation stating that two ratios or rates are equivalent.
One side of a three-dimensional figure. Any flat surface that is not a base.
Finding a measurement using similar figures to find the length, width, or height of objects that are too difficult to measure directly.
The set of all possible outcomes of a probability experiment.
A measure of variation in a set of numerical data. It is the distance between first and third quartiles of the data set.
A data value that is either much greater or much less greater than the median.
A mathematical experiment that approximates a real world process.
The product of all the positive integers from one up to and including a given integer.
One of four regions into which the two perpendicular number lines of the coordinate plane separate the plane.
The line formed when two parallel lines are intersected.
An arrangement, or listing, of objects in which order is important.
A solid with four or more flat surfaces that are polygonal regions.
Constant of Variation
The constant ratio in a direct proportion.
The faces on the top and bottom of a figure.
The relationship between two variable quantities that have a constant ratio.
The arranging together of elements without regard to their order.
A fee or percentage allowed to a sales representative or an agent for services rendered.
The multiplicative inverse of a number.
Fundamental Counting Principal
Uses multiplication of the number of ways each event in an experiment can occur to find the number of possible outcomes in a sample space.
A numerical factor in a term of an algebraic expression
A single number or variable, or numbers and variables multiplied together.
Terms whose variables and exponents are the same.
The cross section of a solid and a plane
The set of numbers that can be written in the form a/b, where a and b are integers and b ≠ 0.
A scale written without units in simplest form.
Mean Absolute Deviation
The absolute deviation of an element of a data set is the absolute difference between that element and a given point.
The set of whole numbers and their opposites
A comparison of two numbers using division.
A rate with a denominator of 1
A prediction or conclusion based on data or reasoning.
The chance that a particular outcome will occur, measured as a ratio of the total possible outcomes.
The number of ways that an event can occur, divided by the total number of outcomes.
The ratio of the number of times an event occurs to the total number of trials or times the activity is performed.
Two or more independent events considered together.
An event that is not affected by previous events.
An event that is affected by previous events.
Rate of Change
A rate that describes how one quantity changes in relationship to another.
Constant of Proportionality
Constant of proportionality the constant value of the ratio of two proportional quantities x and y
Percent of Change
The percent a quantity increases or decreases from its original amount
The amount of increase to the price of an item.
Two angles whose measures have a sum of 90 degrees
Two angles whose sum is 180 degrees
Two angles that share a vertex, a side, and have no interior points in common.
Angles that are are formed by two intersecting lines and are opposite each other.
A decimal which has repeating digits or a repeating pattern of digits.
An event that is most likely to happen.
The distance a number is from zero on a number line
A set of outcomes to which a probability is assigned.
The number of times an event occurs within a specific time period.