| A | B |
| divisible | when a number can be divided by a whole number with no remainder |
| counting principle | a way of finding all possible combinations |
| factor | numbers that we multiply together to find an answer (product) |
| Greatest Common Factor | The largest number that is a factor of two or more whole numbers |
| mulitple | a number that we find when we multiply two or more factors together |
| Least Common Multiple | the smallest number that is a mulitple of two or more numbers |
| simplest form | lowest terms; when a numerator and a denominator do not have any factors in common other than the number 1 |
| proper fraction | a fraction where the numerator is smaller than the denominator |
| improper fraction | a fraction where the numerator is equal to or larger than the denominator |
| mixed number | a number made up of a whole number and a fraction |
| equivalent fractions | Different fractions that name the same amount |
| prime number | A whole number that has only two factors, 1 and itself |
| composite number | A whole number greater than 1 that has more than two factors |
| reciprocal | the flipped version of a fraction |
| probability | the liklihood of an event happening |
| sample set | set of all possible outcomes in a probability experiment |
| favorable event | the possible results that were wanted in a probability experiment |
| theorectical probability | the outcome that should occur in a probability experiment without doing the experiment |
| experimental probability | the actual outcome or what really happens in a probability experiment |
| simplify | to find the lowest terms |