Math Vocab Quiz #3

Absolute Value

The distance of a number from zero on a number line

Additive Inverse

The opposite of a number. The sum of a number and its additive inverse is zero.

Associative Property of Multiplication

You can group your factors in any combination

Commutative Property of Multiplication

You can multiply factors in any order

Distributive Property

Allows you to simplify an expression by multiplying a number by a sum or difference within parentheses

Equivalent Expressions

Expressions that work out to the same value even though they look different

Identity Property

The product of 1 and any number is that number

Integer

A whole number that can be positive, negative, or zero

Irrational Number

Any real number that can't be expressed as a fraction or the quotient of two integers

Multiplicative Property of -1

Any number times -1 is equal to its opposite or additive inverse

Order of Operations

A set of rules for how to evaluate expressions

Rational Number

A number that can be formed by dividing two integers. The divisor can't be zero

Repeating Decimal

A decimal that has a digit, or a block of digits, that repeat without ending

Terminating Decimal

A decimal value that comes to an end or digits, that doesn't go on infinitely

Zero Property

The product of any number and zero is zero