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# Conversion Problems (Metric to Metric) (F)

As we tackle the intricacies of converting within the metric system, we're adding a delightful twist to our revision session with an enchanting video comparison. Join us as we explore the wingbeats of hummingbirds and bees, offering a mesmerizing glimpse into the natural world's mathematical marvels.

So, no imperial measures in this GCSE Maths metric conversion quiz, did you think you were safe? Think again! The metric system is based around a standard base unit (called SI, or Systeme International) for each type of measurement – the metre for length, gram for mass, and litre for volume.

If we want to describe very large or very small measurements, we need to add a prefix to the base unit. You will recognise many of these:

• milli means thousandth (1mm is one thousandth of a metre, or there are 1,000mm in 1m)
• kilo means thousand, so a kilogram is 1,000 grams
• centi, as in centimetre, is one hundredth

Do you know any others? You should be very familiar working between the measures that are common in everyday life.

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Author:  Frank Evans