Expressions Vocabulary Review (Unit 3)

A mathematical phrase involving at least one variable and sometimes numbers and operation symbols. (Example: 4x-7)

• Term

• Algebraic Expression

• Order of Operations (GEMS)

• Like Terms

A number, a variable, or a product of numbers and variables often separated by operation symbols. (Examples: 27, n, 7y)

• Terms

• Coefficients

• Variables

• Constants

A number multiplied by a variable in an algebraic expression. (The number with the letter.)

• Term

• Coefficient

• Variable

• Constant

A quantity that does not change its value. (The number without a letter.)

• Term

• Coefficient

• Variable

• Constant

The number of times a number or expression (called base) is used as a factor of repeated multiplication. Also called the power. (Example 6⁵)

• Distributive Property

• Exponent

• Variable

• Order of Operations

A letter or symbol used to represent a number or quantities that vary (Example: 3v -8     v is the ______ )

• Variable

• Exponent

• Expression

• Coefficient

The sum of two addends multiplied by a number is the sum of the product of each addend and the number. (Example:  7(9v + 2) = 63v+14

• Order of Operations

• Algebraic Expression

• Distributive Property

• GEMS

Terms in an Algebraic Expression that have the same variable raised to the same power. (Examples:   x and 7x, 4a² and 10a²)

• GEMS

• Variables

• Like Terms

• Exponent

The rules (steps) to be followed when simplifying expressions.

• Order of Operations (GEMS)

• Variables

• Like Terms

• Exponent