| A | B |
| array | equal columns and rows |
| divide | separate into parts |
| dividend | in division, it is the number to be divided. example: 63 is the dividend in 63/9=7 |
| divisor | the number by which a dividend is divided. Example: 9 is the divisor of 63/9=7 |
| fact family | a group of related facts using the same set of numbers. example: 3x4=12, 4x4=12, 12/3=4, 12/4=3 |
| factors | the numbers multiplied together to get a product. Example: 7 and 3 are the factors of 21. |
| inverse operations | opposite operations that undo each other. example: multiplication and division are inverse operations: 4x3=12 and 12/3=4 |
| product | the answer to a multiplication problem. Example: 64 is the product of 8x8 |
| quotient | the answer to a division problem. example: 9 is the quotient of 63/7 |
| remainder | the number less than the divisor that remains after the division is complete. Example: 31/7=4 R3 (3 is the remainder) |