‘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…”’

# Measures

Measures

### Chapter Overview

• Progression in learning in measures including length, mass and capacity
• Common misconceptions and areas of difficulty
• Key concepts of conservation and transitivity
• Difficulties children encounter when learning to tell the time
• Recommendations for effective, interesting and engaging activities.

### 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 ...