5th Grade Math

common denominator

A common multiple of the denominators of two or more fractions.

common factor

A factor that two or more numbers share.

common multiple

A multiple that two or more numbers share.

composite

A number greater than 0 that has more than two different factors. The number 9 is a composite number because it ahs three factors: 1, 3, and 9.

divisibility

Rules that are used to find if a number is divisible by numbers such as 2, 3, 4, 5 ,6, 9, or 10. Number must be capable of being divided with a remainder of zero.

divisible

Capable of being divided with a remainder of zero. How many times a quantity is contained within another number.

exponent

The number that tells how many equal factors there are.

equivalent fractions

Fractions that name the same quantity.

fractions

A way of representing part of a whole or part of a group by telling the number of equal parts in the whole and the number of those parts you are describing.

improper fraction

A fraction with a numerator greater than its denominator. e.g. 3/2

integer

Counting numbers, their opposites and zero.

mixed numeral

Has both a whole and and a fractional part. Also known as a mixed number.

order of operations

A set of rules that tells the order in which to compute.

percent

a ratio that represents parts per hundred.

prime

A counting number that has exactly two factors, 1 and itself.

simplest terms

A fraction whose numerator and denominator have no common factor greater than 1.