L to J Mr. Warneke's General Math 9 Spring 2012

absolute value
the distance of a number from 0 to a number line

addends
Numbers that are combined by the operation of addition.

angle
the figure formed by two rays that have the same endpoint.

area
the amount of surface that a plane figure covers

associative property of addition
changing the grouping of the addends does not change the sum

associative property of multiplication
changing the grouping of the factors does not change the product

average
the result of dividing the sum of two or more numbers by the number of addends

axes
one horizontal and vertical line used to display numerical facts in a graph

bar graph
A display of numerical facts in which the lengths of bars are used to compare numbers.

commission
An amount of money earned based on a percent of total sales

common denominator
fractions that have the same denominator

common factor
a number that is a factor of two or more numbers

common multiple
a number that is a mutliple of two or more given numbers

commutative property of addition
numbers that may be added in any order

commutative property of multiplication
numbers that may be multiplied in any order

composite number
a number that has more than two factors

compound interest
interest paid on the principal and on the interest previously earned.

data
a collection of numerical facts

decimal
the number written with a decimal point and digits to the right of the ones' place

deductions
amounts of money subtracted from a worker's earnings

degree
a unit of angle measure

denominator
the number on the bottom of the fraction

difference
the result of subtracting one number from another

digit
one of the symbols in our number system

discount
an amount of money subtracted from the regular price

distributive property
numbers inside a pair of parenthesis may be multiplied by a factor outside the parenthesis

dividend
a number that is divided by another number

divisible
a number is divisible by a second number if the remainder is zero when the first number is divided by the second

divisor
the number by which another number is divided

elapsed time
the amount of time between the start and the end of an event

equation
a statement that two numbers or quantities are equal

equivalent fractions
fractions that name the same number

evaluate
to find the value of a variable expression when the variables are replaced by given values

even number
a number that is divisible by 2

exponent
a number used to show how many times another number is to be used as a factor

exponential form
a short form of writing a multiplication in which all the factors are the same

factor
when one number is divisible by a second number

factors
numbers that are multiplied to give a product

formula
an equation that describes a relationship between two or more quantities

fraction
a number written in the form a/b

graph
a picture that displays and compares numerical facts

greatest common factor
the greatest number that is a factor of two or more numbers

gross pay
the sum of regular and overtime earnings

horizontal axis
a line that is parallel to the horizon

interest
money paid for the use of borrowed money

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

least common multiple
the least positive number that is a multiple of two ore more nonzero numbers

lowest terms
a fraction is in lowest term if the greatest common factor of the numerator and the denominator is 1

mean
the sum of the items in a set of data divided by the number of items

median
the middle number of a set of data arranged in numerical order

mixed number
a number that consists of both a whole number and a fraction

mode
the number that appears most often in a set of data

multiple
when a number is multiplied by a nonzero whole number, the product is a multiple of the given number

negative numbers
numbers less than zero

net pay
a worker's earnings after deductions have been subtracted

numerator
the number on the top of a fraction

odds
the ratio of the number of favorable outcomes to the number of unfavorable outcomes of the event

odd number
a number that is not divisible by 2

parallel lines
lines in a plane that do not intersect

percent
a notation that represents a ratio that compares a number to 100

percent of increase or decrease
a percent comparing an amount of change to an original amount

place value
the value given to the place where digits appear in a number

positive numbers
numbers greater than zero

prime number
a whole number greater than 1 that has only itself and 1 as factors

principal
an amount of money that is borrowed

probability
the chance that an event will occur, calculated by finding the ratio of the number of favorable outcomes to the number of possible outcomes of the event

product
the result of multiplying two or more numbers

proportion
a statement that two ratios are equal

quotient
the result of dividing one number by another

range
the difference between the greatest number and the least number in a set of data

rate
a ratio that compares two unlike measures

ratio
a comparison of two numbers by division

reciprocals
two numbers whose product is 1

remainder
the whole number left after one number is divided by another

repeating decimal
a decimal in which a digit or block of digits repeats endlessly

scientific notation
a number written as the product of a power of 10 and a number that is at least 1 but less than 10

statistics
the branch of mathematics that deals with organizing and analyzing data

sum
the result of adding two or more numbers

unit price
the cost of a unit divided by the unit of measurement

variable
a letter or other symbol used to represent a number

vertical axis
a line that is going upward

whole numbers
the numbers 0, 1, 2, 3 and so on

x-axis
the horizontal number line in a coordinate plane

y-axis
the vertical number line in a coordinate plane