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# Ch.4/fract/dec/perc

TermDefinition
Prime number Numbers with only 2 factors, 1 and number itself
Composite Numbers with three or more factors
Prime factorization All composite numbers derive from prime numbers
Factor tree A tree used to find the prime factors of composite numbers
Equivalent fractions Two fraction that have the same value
Simplest form A fraction is in simplest form when the GCF is one
Denominator Total number of parts of the whole fraction
Terminating decimal A decimal whose digits end.
Repeating decimal A decimal with a pattern the digits repeat forever.
Bar notation A line above the repeating digits to indicate the pattern repeats.
Ratio A comparison of quantities by division
Percent A ratio that compares a number to 100
least common multiple Two or more numbers Is the least of their common multiples ,excluding zero
Rational numbers A number that can be expressed as a fraction.fractions,terminating and repeating decimals, percents and integers are rational numbers
Common denominator Common multiples of two or more denominators(bottom number)of a fraction
Least common denominator Is the least common multiple of the denominators (bottom numbers) of a fraction