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the true value of a number
absolute value

two numbers that are the same distance from zero but on opposite sides of zero
opposite number

numbers consisting of the negative integers, zero, and the positive integers
integer

an integer less than zero
negative integer

an integer greater than zero
positive integer

the steps you take in order to solve a problem
order of operations

top part of a fraction
numerator

bottom part of a fraction
denominator

opposite fraction
reciprocal

fancy word for reciprocal
multiplicative inverse

add or multiply terms in any order they will still come out with the same answer
communicative property

changing the grouping of terms does not change the sum or product
associative property

the number added to zero is always that number. The number multiplied by one is always that number
identity

the equals tells you that the value is the same on both sides of the equation
reflexive

distribute the number outside the parenthesis to the numbers on the inside
distributive property

positive numbers that are not fractions, decimals, or negatives
whole number

number that is its natural form. Doesn't include zero, fractions, decimals, and negatives
natural numbers

a number that has a whole number part and a fraction
mixed number

a symbol that is used to represent one or more numbers
variable

an expression consisting of numbers and operations
numerical expression

an expression that consists of numbers, variables, and operations
variable expression

expression that uses numbers, symbols, and variables
algebraic expression

the pats of an expression that are added together
term

the number part of a term that includes a variable
coefficient

a term that has a number but no variable
constant

a mathematical sentence formed by setting two expressions equal
equation

a mathematical sentence formed by placing an inequality symbol between two expressions
inequality

a comparison of 2 numbers using division
ratio

ratios that have the same value
equivalent ratios

a ratio of 2 quantities measured in different units
rate

a rate that has a denominator of 1 unit
unit rate

the amount earned or paid for the use of money
interest

an amount of money that is deposited or borrowed
principal

a part of a population
sample

selected in such a way that each member of the population has an equally likely chance to be part of the sample
random sample

the entire group of people or objects about which you want information
population

sample that is not representative of the population from which it is selected
bias sample

choosing individuals that are easiest to reach
convenience sampling

occurs when people themselves choose to respond to a general appeal
voluntary response

the average distance of each data value from the mean
mean absolute deviation

making a guess from the information given. What you think might happen or the results you will have
prediction

the possible results when an experiment is performed
outcome

objects having similar features and shape
similarity

sides that occupy corresponding positions
corresponding sides

