| A | B |
| division | operation on two numbers that tells how many groups or how many in each group |
| quotient | answer to a division problem |
| dividend | number to be divided |
| divisor | number by which the dividend is divided |
| fact family | group of related facts using the same numbers |
| inverse operations | operation that reverses another operation |
| compatible number | numbers that are close to the numbers in a problem and easy to divide mentally |
| remainder | the number less than the divisor that is left over after the division is completed |
| unit price | a price given as the cost for a single unit |
| mean | the quotent when the sum of two or more numbers is divided by the number of addends |
| average | another word for mean |