Math 7 Vocabulary

The description of the relationship between two sets of data.

A pair of opposite congruent angles formed by intersecting lines.

One of two numbers whose product is 1. Also called multiplicative inverse.

The property that says: sum or product the same no matter how you group them

To write a fraction or expression in simplest form.

The line segment formed by the intersection of two faces of a solid figure.

A number from 0 to 1 (or 0% to 100%) that describes how likely an event is to occur.

The property that says two or more numbers can be added or multiplied in any order and be equal

Having the same size and shape.

One of two numbers whose product is 1. Also called reciprocal.

The number that is used as a factor, when a number is raised to a power.

To find an answer or solution. To find the value of a variable in a math problem.

A number that can be written as a ratio (in the form a/b with be not equal to zero)

A property-Multiplication over addition and Multiplication over subtraction. 

Angles in the same place that are side by side and have a common vertex and a common side

A group containing the value or values that make a statement true.

An equation that states that two ratios are equivalent.

Lines/planes that do not intersect.

Earnings based on a percentage of the total amount of sales.

A mathematical statement that compares two expressions by using symbols like <, >

A line segment that passes through the center of a circle and has endpoints on the circle

A symbol used to represent a quantity that can change.

The number that is multiplied by a variable in an algebraic expression.

A base raised to the 2nd power. [comes from finding the area of a square].

A mathematical sentence that shows that two expressions are equivalent [equal].

Facts and statistics collected together for reference or analysis

Two angles whose measures have the sum of 180°.

In probability, a single repetition or observation of an experiment.

A value that does not change.

Two angles whose angles measures add to 90 degrees.

Lines/planes that intersect to form a right angle.

A base raised to the 3rd power. [comes from finding the volume of a cube]

The cost of borrowing money and/or a percentage earned for saving money.

A line segment from the center or the circle to end of circle

The opposite or reverse operation.

A mathematical phrase that contains operations, numbers, and/or variables.

A line that intersects two or more lines.

A flat surface of a solid figure.

A possible result of a probability experiment.