| A | B |
| divide | To separate into equal groups;the opposite operation of multiplication |
| divisor | The number that divides the dividend |
| factor | A number that is multiplied by another number to find a product |
| quotient | The number, not including the remainder, that results from division |
| dividend | The number that is to be divided in a division problem |
| equal groups | Groups that have the same number of objects |
| inverse operations | Opposite operations, or operations that undo one another, such as addition and subtraction or multiplication and division |
| related facts | A set of related addition and subtraction, or multiplication and division, number sentences |