Before measuring something, it is important to know which unit to use. Estimating its approximate size by comparing it with a more familiar object can help. In order to find a suitable unit of measure ...

KAYLA: Let’s build the new hover train system from the city to the beach. ZACH: Yeah, they are 20 kilometres apart. KAYLA: Great, so we can make the tracks 20 miles long.Ta-da!Oh, what?That looks way ...

This class provides a thorough explanation of the English and metric measurement systems, the units they use, and how to convert measurements between units. Measurements that use base units include ...