• Summary
  • Contents
  • Subject index

‘What a super book! It is absolutely packed with practical ideas and activities to help you love maths, and love teaching and/or learning it. It certainly helps to develop an enthusiasm for a subject most adults tend to say “I'm no good at…”’

Louise O'Sullivan
Key Ideas about Measures and Measurement

Measurement is a means of quantifying the relative amount of a given feature (for example, mass, length) of an object (Barmby et al., 2009). It also serves as a way of comparing such quantifications for different objects. Measures are, by definition, exact. For example, every object has a precise length, mass and volume and, at any moment in time, a person will have lived for a precise length of time.

However, the act of measurement is imprecise. Whatever ...

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