Solving Equations Vocabulary

What is the definition for Equation?

• To replace a variable with a number.

• The missing number or variable that makes the sentence true.

• Opposite operations that undo each other.

• A mathematical sentence with an equal sign.

A ​​ (a)   is an alphabet letter or term that represents an unknown number or value.

• variable
• equation
• expression
• solution
• Inverse operations

An __ is a sentence with a minimum of two numbers or variables and at least one math operation.

What is the correct vocabulary word for the definition below?

Opposite operations that undo each other.

• Solution

• Variable

• Inverse Operation

• Substituting

To replace a variable with a number is ___

The missing number or variable that makes the sentence true is a __

The process of simplifying a mathematical expression by substituting is an ​ (a)  

• evaluation
• variable
• expression
• equation

Match the following

• the missing number or variable that makes the sentence true

• equation

• a mathematical sentence with an equal sign

• inverse operations

• opposite operations that undo each other

• variable

• an alphabet letter or term that represents an unknown number or value

• solution

• replacing a variable with a number

• substituting