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Math Vocab 1-50

Vocabulary 1-50

scale a series of numbers starting at zero and placed at fixed distances on a graph to help label the graph
interval the difference between one number and the next on the scale of a graph
stem-and -leaf plot a table that shows groups of data arranged by place value. The data is organized from least to greatest
histogram a bar graph that shows the number of times data occurs within intervals
Venn Diagram a diagram that shows relationships among sets of things
data information collected about people or things, often to draw conclusions about them
survey method of gathering information about a group
population the entire group of objects or individuals considered for a survey
sample a part of a population
random sample a sample in which each subject in the population has an equal chance of being chosen
cumulative frequency a running total of the data
outlier a value separated from the rest of the data
pictograph a graph that displays countable data with symbols or pictures
bar graph a graph that uses horizontal or vertical bars to display countable data
line graph a graph that uses a line to show how data changes over time
circle graph a closed figure that shows how parts of the data are related to the whole and to each other
trend the patter over time, in all or part of a graph , where the data increases, decreases, or stays the same
mode the number that appears the most often in a set of numbers
mean average/ found by adding the numbers and dividing the sum by the number of addends
range the difference between the greatest and the least number in a set
median the middle number when the numbers are arranged in order from least to greatest
variable a letter or symbol that stands for one or more numbers; not capital letters
equation an algebraic or number sentence that two quantities are equal
expression a mathematical phrase or the part of a number sentence that combines numbers,operation signs, and sometimes variables, but NOT AN EQUAL SIGN.
algebra a branch of math in which symbols represent numbers
decimal a number with one or more digits to the right of the decimal point; representing part of a whole
periods each group of three digits in a family;the family's last name
standard form the regular way we write numbers
word form when a number is written in ALL WORDS
short word form when ONLY the PERIODS are written in words
expanded form when a number is written as the sum of the value of the digits
> greater than
< less than
whole number any of the counting numbers: including 0
even numbers a whole number ending in 0,2,4,6,8
odd numbers a whole number ending in 1,3,5,7,9
place or place value the location of a number
value how much the number is worth
consecutive numbers numbers in order
operations of math addition(+), subtraction(-), multiplication(x), and division
addends numbers being added in an addition problem
sum the answer to an addition problem
minuend the top number in a subtraction problem
subtrahend the bottom number (being subtracted) in a subtraction problem
difference answer to a subtraction problem
factors numbers being multiplied in a multiplication problem
product the answer to a multiplication problem
quotient answer to division problem: on top of the house
divisor number dividing by: the number outside the house
dividend number being divided: inside the house
Created by: abbycorrao