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# Rational Numbers

### Vocabulary for Rational Numbers Unit Grade 7

TermDefinition
Absolute Value A term used to describe the distance between a number and zero.
Additive Inverse Property The property that states that a number and its opposite have a sum of zero.
Associative Property The property that states that you can change the grouping of numbers being added or multiplied without changing the results
Commutative Property The property that states you can change the order of numbers being added or multiplied without changing the result.
Decimals Numbers that represent part of a whole and use the base ten system.
Fractions Numbers that represent part of a whole and consist of a numerator and denominator.
Identity Property of Addition The property that states that the sum of a number and zero will be equal to that number.
Integers All positive and negative whole numbers and zero.
Negative Integers All whole numbers that are less than zero.
Opposites Two numbers that are on different sides of zero, but are the same distance away from zero. Also called additive inverses.
Positive Integers All whole numbers greater than zero.
Rational Numbers Any number that can be written as a fraction, where numerator and denominator are both integers and denominator does not equal zero. Also any number that can be written as a terminating or repeating decimal.
Complex Fraction A fraction that is composed of a rational number or expression in the numerator and/or denominator.
Dividend The term used to describe the value in a division problem that is being divided; also identifies the numerator of a fraction.
Divisor The term used to describe the value in which another number is to be divided; also identifies the denominator of a fraction.
Factor The term used to describe the values in a multiplication problem that are being multiplied together.
Identity Property of Multiplication The property that states that a number times one is equal to that number.
Inverse Property of Multiplication The property that states that a number times its reciprocal is equal to one.
Order of Operations A universal set of rules that are used and followed when an expression consists of more than one operation.
Product The term used to describe the answer to a multiplication problem.
Quotient The term used to describe the answer to a division problem.
Reciprocal The multiplicative inverse of a number; also the "flip" of a fraction where the numerator and denominator "switch positions".
Zero Product Property The property that states that any number times zero is equal to zero.
Created by: EYLERD110