These task cards can be use when introducing the concept of converting units within the metric system. I teach a lesson prior to use on metric conversions using the ladder method. This is a great reinforcement too to converting metric length, volume, and mass. There are 20 task cards in all.
I have students rotate through the room and complete the task cards by recording their information on a separate sheet (included). They love doing this and it gives them a chance to get up and move arou