| A | B |
|---|
| Digit | Symbol for a number |
| Whole number | Number without fractions or decimals |
| Place value | Value of a digitthat depends on its position in a number |
| Even number | Number that can be divided by 2 |
| Odd number | Number that can't be divided by 2 |
| Prime number | Number whose only factors are itself and 1 |
| Sum | Answer to an addition problem |
| Difference | Answer to a subtraction problem |
