Expressions Vocabulary

What is the number in front of a variable?

• Constant

• Coefficient

• Variable

• Term

a combination of symbols and operations to represent a quantity

• Expression

• Equation

• Variable

an expression that contains ONLY numbers and operations

• Expression

• Numerical Expression

• Algebraic Expression

an expression made up of 3 mathematical items; variables, numbers, and operations

• Expression

• Numerical Expression

• Algebraic Expression

a symbol that represents (stands for) an unknown quantity

• Variable

• Term

• Coefficient

• Constant

to replace the variable in an algebraic expression with a concrete number

• Substitute

• Combine Like Terms

• Distributive Property

a fixed value

• Coefficient

• Constant

• Variable

• Term

Each part of an algebraic expression separated by a plus or mins sign

• Coefficient

• Constant

• Variable

• Term

to multipy a sum or difference by a number. multiply each term by the number outside the parenthesis

• Substitute

• Distributive Property

• Combining Like Terms

adding or subtracting terms with the same variables and exponents

• Substitute

• Distributive Property

• Combining Like Terms