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arithmetic sequence

a sequence in whick the difference between any two consecutive terms is the same

bar notation

In repeating decimals the line or bar placed over the digits that repeat

common difference

The difference between any two consecutive terms in an arithmetic sequence

common ratio

the ratio between any two consecutive terms in a geometric sequence

dimensional analysis

The process of including unit of measurement when computing

geometric sequence

A sequence in which the ratio between any two consecutive terms is the same

least common denominator

The least common multiple of the denominators of two or more fractions

least common multiple

the least of the non zero common multiples of two or more numbers

mean

The sum of data divided by the numbers of items in the data set also called the average

measure of central tendency

for a list of numerical data numbers that can represent the whole set of data : mean, mode median

median

In a set of data the muddle number of the ordered data or the mean of the two middle numbers

mode

The numbers or number that occurs most often in a set of data

multiple

The product of a number and a whole number

multiplicative inverse

two numbers whose product is 1

period

In a repeating decimal the digit or digits that repeats

rational number

A number that can be written as a fraction in the form a/b (a over b) where a and b are integers and b not 0

reciprocal

another name for a mutinricative inverse 1/4 4/1

repeating decimal

a decimal whose digits repeat in groups of one or more

term

Each number within a sequence is called a term