- Kids Hate Doing Math During Cloudy Mondays
Explanation: to remember the units of measurement in the metric system.
Km Hm Dam M Dm Cm Mm
- Kilometer Hectometer Dekameter Meter Decimeter Centimeter Millimeter
Additional Note: it also helps when converting (e.g., meters to millimeters), count how many spaces there are from meters to millimeters to know where to place the decimal.