Unit 4 Vocabulary

a number that is multiplied by a variable

• coeffecient

• variable

• constant

a letter or symbol that represents a number

• coeffecient

• variable

• constant

a fixed value that does not appear with a variable

• coeffecient

• variable

• constant

a number that has factors of only 1 and itself

• Prime Number

• Composite Number

a whole number that factors other than 1 and itself

• Prime Number

• Composite Number

breaking down a number into its factors

• Prime Factorization

• Expression

• Equation

a mathematical phrase that contains numbers, variables, and operations. It does NOT contain an equal sign.

• Prime Factorization

• Expression

• Equation

a mathematical statement that shows two expressions are equal. It MUST contain an equal sign.

• Prime Factorization

• Expression

• Equation

allows you to change the order of the numbers without changing the solution.

(12 +5 + 2 = 5 + 12 + 2) and (12 • 5 = 5 • 12)

• Commutative Property

• Associative Property

• Identity Property

• Inverse Property

• Distributive Property

allows you to group different sets of numbers together without changing the solution

(12 + 5) +2 = 12 + (5 + 2) and (12 • 5) • 2 = 12 • (5 • 2)

• Commutative Property

• Associative Property

• Identity Property

• Inverse Property

• Distributive Property