| A | B |
|---|
| meter | basic unit of length |
| 10 | the number the metric system is based on |
| milli | prefix meaning 1/1000 |
| centi | prefix meaning 1/100 |
| kilo | prefix meaning1000 |
| km | abbreviation for kilometer |
| cm | abbreviation for centimeter |
| mm | abbreviation for millimeter |
| communication | reason we need metric system |
| USA | only industrialized nation to not use metric system |
| used for measuring long distances | km |
| might be used to measure length of a football field | m |
| might be used to measure the thickness of a dime | mm |
| might be used to measure length of new pencil | cm |
