Duplicate of Pre-Algebra Vocab

Perimeter is the...?

A number used to multiply a variable

A set of rules that determine the order in which operations are performed.

A fixed value in an equation that doesn't change.

A single number or variable, or numbers or variables multiplied together.

A mathematical statement containing an equal sign to show that two expressions are equal

A mathematical statement showing that two expressions or values are not equal

A symbol for a number that we don't know yet - usually a number like x or y

Operations that "undo" each other are called?

A mathematical phrase combining numbers and/or variables

The angles inside a triangle add up to how many degrees?

A symbol (such as +, −, ×, ÷ ) that shows an operation