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# Unit review

### Review for Let's Be Rational and Decimal Ops

TermDefinition
mixed number a whole number and a fraction combined
improper fraction a fraction where the numerator is larger than the denominator meaning it is larger than one whole
decimal a number that uses a point to show parts of numbers smaller than one whole
reciprocal the number that you multiply a fraction by to get a product of one
dividend the number being broken into equal parts
divisor the number you divide by
compare to see if a number is greater, less, or equal to another number
round making a number simpler but keeping it close to its original value
percent out of 100
sales tax money the government collects when you buy something
discount a reduction in price
ratio comparison of two values using to or :
rate comparison of two values that have different measurement units
order of operations the order in which operations need to be solved in an expression
greatest common factor the largest number that is a factor of two or more numbers
least common multiple the smallest number that is a multiple of two or more numbers
exponent a small number placed in the upper right corner that tells you how many times to multiply the base number times itself
equivalent fractions fractions with the same value made by scaling up or scaling down
unit rate a rate in which one of the numbers being compared is 1
rate table a table in which all of the rates are equivalent