NARRATOR: The metric system is a way of measuring things. So with length, the metric measurements are millimetres, centimetres, metres and kilometres. A stamp, would be measured in millimetres.

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to measure grams and millileters. And, if you don’t get it right…well, your recipe will suffer. To make things simple, we’ve ...

That looks way too long!What’s going on, Ada? ADA: Kilometres and miles are not the same.In the UK, we use two measurement systems: metric and imperial.Imperial is the older system and metric is ...