Unit 7: Expressions

the number being multiplied by itself

• base

• exponent

• term

• variable

determines the number of times the base is multiplied by itself

• base

• exponent

• constant

• variable

a number in front of a variable

• base

• exponent

• coefficient

• variable

a mathematical phrase that contains numbers, variables and operations, but NO EQUAL SIGN

• equation

• expression

• exponent

• variable

a letter used in expressions to represent an unknown value

• equation

• expression

• exponent

• variable

a whole number term without a variable

• base

• constant

• exponent

• variable

a constant or a variable in an expression, separated by addition and subtraction symbols

• base

• term

• exponent

• equation

terms whose variables and exponents are the same:

____ terms

the order of numbers in an addition or multiplication problem does not change the answer

• commutative property

• associative property

• identity property

• distributive property

when you add or multiply numbers, the grouping of the numbers can be different but the solution will be the same

• commutative property

• associative property

• identity property

• distributive property