| Term | Definition |
| probability | number of favorable ways divided by the total number of ways (outcomes) [set up in a fraction form] |
| mean | the average [sum of data divided by (fraction form) the number of data] |
| median | the middle value when the data is arranged from least to greatest |
| mode | value that appears most frequently [usually in averaging] |
| factor | numbers that are multiplied to form a product |
| multiple | the product of a given number and any other whole number |
| even | any whole number multiple of 2 (including zero) |
| odd | any whole number that is not even |
| divisibility tests | use these to determine if a number is a factor without dividing |
| square root | one of the equal factors of a square number |
| prime number | a number with exactly 2 factors, 1 and itself |
| composite number | a number with more than 2 factors |
| prime factorization | broken the number into a product of all primes |
| GCF | greatest common factor |
| relatively prime numbers | numbers whose only GCF is one |
| LCM | lowest common multiple |
| LCM | smallest number in common from 2 different numbers' multiples |
| equivalent fractions | fractions that name the same quality |
| lowest terms | fractions whose numerator and denominator are relatively prime |
| simple form | mixed number with the fraction in lowest terms |