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Math Vocab

middle school math vocabulary

absolute value the distance from the number zero on the number line
more than add
less than subtract
equation mathematical sentence with an equal sign (=)
order of operation Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
product multiply
sum the answer from adding numbers
ascending going up, growing in number
descending going down, lessening in number
variable a letter or number that stands in for an unknown part of a problem
decimal system a system based on TEN
equivalent equal; the same
factor a whole number that divides exactly into another number; 5 is a factor of 10
greater than MORE than
less than SMALLER than
rational number a number that can be written as a fraction
standard form The usual form for representing numbers.
improper fraction a fraction where the numerator (number on top) is larger than the denominator (number on bottom)
square root A number that can be multiplied by itself to equal a given number.
independent event The probability of one event happening without impacting another event.
scientific notation A way to express very large and very small numbers using a power of ten.
dependent event The probability of one event happening that affects another event.
inequality A mathematical sentence including <, >, <, and >.
irrational number a number that does not terminate
compound probability The probability of the first event multiplied by the probability of the second event.
sum answer to an addition problem
difference answer to a substraction problem
quotient answer to a division problem
perimeter distance around an object
Created by: jill.comcowich