click below
click below
Normal Size Small Size show me how
Ch.4/fract/dec/perc
Term | Definition |
---|---|
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 |
Numerator | Number of shaded parts |
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 |