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# 7 Math Ch. 5

### Fractions, Decimals, and Percents

TermDefinition
bar notation in repeating decimals, the line or bar placed over the digits that repeat
common denominator a common multiple of denominators of two or more fractions
composite number a whole number greater than 1 that has more than two factors
equivalent fractions fractions that have the same value
factor tree a diagram showing the prime factorization of a number / the factors branch out from the previous factors until all of the factors are prime numbers
greatest common factor the greatest of the common factors of two or more numbers
least common denominator the least common multiple of the denominators of two or more fractions
least common multiple the least of the common multiples of two or more numbers
multiple the product of a number and any whole number
percent a ratio that compares a number to 100
prime factorization expressing a composite number as a product of prime numbers
prime number a whole number greater than 1 that has exactly two factors, 1 and itself
ratio a comparison of two numbers by division
rational numbers numbers that can be written as fractions, including terminating and repeating decimals, and integers
repeating decimals a decimal whose digits repeat in groups of one or more
simplest form when the greatest common factor of the numerator and denominator is 1 in a fraction
terminating decimals a decimal whose digits end
Venn Diagram a diagram that uses circles to show how elements among a set of numbers or objects are related
Created by: Miss Brinkoetter