# General Math 9

## 85 terms · L to J Mr. Warneke's General Math 9 Spring 2012

### absolute value

the distance of a number from 0 to a number line

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

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

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

### event

a set of outcomes

### 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