Expressions & Equations Vocabulary

What is a number used to multiply a variable, often referred to as the number 'attached' to a variable?

What is a mathematical sentence that states that two expressions are equal?

In the expression 8r + 3, what is the constant?

What term in math means opposite?

What is a letter used to represent a number value in an expression or an equation?

What do we call a mathematical phrase that can contain numbers, variables, and operators?

What is the term for a number without a variable in an expression?

What is the process of finding the value of a variable that makes an equation true?

What do we call the part of an expression that is added or subtracted?

What is the term for the value that does not change in an equation?