| pound | 16 ounces |
| mile | 5280 feet |
| deci | 1/10 |
| centi | 1/100 |
| milli | 1/1000 |
| metric | system of measurement |
| proper fraction | fraction whose numerator is less than its denominator |
| improper fraction | fraction whose numerator is greater that denominator |
| mixed number | whole number and a fraction |
| foot | 12 inches |
| yard | 3 feet |