15 terms

Kathleen_StrangeTEACHER

ratio

a comparison of two numbers by division (or by relative size)

proportion

An equation stating that two ratios are equal

lowest terms

the form of a fraction in which the numerator and denominator have no common factor except 1

reciprocal

one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2

terminating decimal

a decimal number with a finite number of nonzero digits after the decimal point

rational number

a number that can be written as a ratio of two integers (e.g. 2/3 or 8/5, or 10/2)

repeating decimal

a decimal number with a digit or group of digits after the decimal point that repeats infinitely

variable

an unknown number or set of numbers

reciprocal

inverted fraction

design

the strategy used for the collection, measurement, and analysis of data

sample

a part of the population selected to represent the entire population

simulate

to model an experiment with another experiment so that the outcomes of the other experiment have the same probabilities as the outcomes of the original experiment

conversion factor

a ratio used to convert measurements from one unit to another

rate

a comparison between two quantities with different units

unit rate

a comparison of one quantity to a single unit of another quantity (e.g., 12.8 miles per 1 hour, 42 miles per 1 gallon)