| A | B |
|---|
| estimate | a calculated guess that is close to the exact number |
| reasonable | an estimate is ____ if it is close to the actual answer |
| front-end estimation | for 354 it is 300 |
| rounding | to give an approximate value. For 354 it is 400 |
| product | the answer when one number is multiplied by another |
| quotient | the answer when one number is divided by another |
| factor | a number can be divided exactly by this |
| common factor | 2 is a factor of 4 and of 6. So it is a ______ of 4 and 6. |
| greatest common factor | 1 and 3 are common factors of 6 and 9. So, 3 is the ______ of 6 and 9. |
| prime number | a number that has exactly two factors, 1 and itself |
| composite numbers | a number that has more than two different factors |
| whole number | numbers such as 1, 5, and 9 |
| multiple | product of a given number and any other whole number except 0 |
| common multiple | 8 is a multiple of 2 and 4. So, 8 is a ____ of 2 and 4. |
| least common multiple | 4, 8, 12 are common multiples of 2 and 4. So 4 is the ___ of 2 and 4. |
| consecutive whole numbers | numbers in running order: 1, 2, 3, 4 |
