Math 7 Vocabulary

Lines/planes that do not intersect.

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

To write a fraction or expression in simplest form.

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

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

The opposite or reverse operation.

A symbol used to represent a quantity that can change.

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

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

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

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

Lines/planes that intersect to form a right angle.

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

Two angles whose angles measures add to 90 degrees.

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

Having the same size and shape.

A property-Multiplication over addition and Multiplication over subtraction. 

A possible result of a probability experiment.

An equation that states that two ratios are equivalent.

Two angles whose measures have the sum of 180°.

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

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

The description of the relationship between two sets of data.

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

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

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

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

Facts and statistics collected together for reference or analysis

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

A line that intersects two or more lines.

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

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

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

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

A value that does not change.

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

A flat surface of a solid figure.

A pair of opposite congruent angles formed by intersecting lines.

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