| A | B |
| Prime number | Number whose only factors are itself and 1 |
| Place value | Value of a digit that depends on its position in a number number without fractions or decimals |
| Greater than | > |
| Less than | < |
| Mean | Average of a set of numbers |
| Average | Number that best represents a set of numbers |
| Median | Middle number of a number set |
| Mode | Number that occurs the most in a set of numbers |
| Range | Differece between the largest and smallest numbers in a data set |