The metric system is used to measure the length, mass or capacity of an object. Length is measured in millimetres (mm), centimetres (cm), metres (m) or kilometres (km). Mass or weight is measured in ...

Units from the metric system can be used to describe the mass, volume or length of an object. Mass is measured in grams (g) and kilograms (kg). Volume is measured in millilitres (ml) and litres (l).

In one of the math classes I teach, there are adults from China, Haiti, Ethiopia, Brazil, Colombia, and an array of other countries. The group is about as diverse as you can imagine, but the one thing ...