7th Grade Math Vocabulary
Terms in this set (50)
The number you need to add to a given number to get a sum of 0.
Two angles that have a common side, a common vertex and no interior points in common.
A line segment with its endpoints on a circle.
The set of all points on a flat surface that are the same distance from a fixed point.
The distance around a circle. (Perimeter of the circle)
Two angles whose measures add up to 90°.
An outcome that depends on two or more other events.
A number that is not multiplied by a variable.
The number corresponding to a point on a number line or an ordered pair that corresponds to a point on a 2D coordinate system.
Unit volume is measured in.
When the outcome of one event affects the probability of the other event.
A line segment drawn through the center of a circle with both endpoints on the circle.
Two expressions that have the same value.
Data collected in experiments.
The number of times something occurs within an interval or data set.
When the outcome of one event does not affect the probability of the other event.
Two expressions that are not always equal to each other
An amount paid which is a percentage of an initial value.
A number that cannot be written as a fraction.
Two or more terms that contain the same variable.
The amount added to the cost price of goods to cover overhead and profit.
A reduction in price.
For a nonzero number, it is the number we can multiply by to get 1.
The point where the x-axis and y-axis meet (0,0).
Extent to which something loses value.
Extent to which something gains value.
The ratio of the circumference of the circle to its diameter.
A number that represents how likely an event is to happen.
An equation stating two ratios/fractions are equal.
The entire group of objects or individuals considered for a survey.
The four parts a coordinate plane is divided into.
A line segment drawn from the center of a circle to a point on the circle.
A number that can be written as a fraction.
A population in which each member of the subset has an equal probability of being chosen.
Compares two quantities by division.
Part of a line that starts at one point and extends without end in one direction.
Decimal that repeats the same sequence of digits forever from some point onward.
The collection of all possible outcomes of an event.
Something that is enlarged or reduced by a certain amount.
Figures that have the same shape but not the same size.
Interest paid on the principal alone.
Two angles that have the sum of 180°.
The sum of all the area(s) of the surface(s) of a 3D solid.
Added cost to some goods or services.
A decimal that ends.
The measure of the amount of variability in a data set (spread).
A symbol used to represent one or more numbers.
Two opposite angles formed by two interesting line. Angles that sit across from each other.
A measurement of the size of a 3D region enclosed within an object.