• Summary
  • Contents

Covering the key principles and concepts in the teaching and learning of mathematics in elementary schools, this text provides trainee and practicing teachers with a quick and easy reference to what they need to know for their course, and in the classroom. The entries are arranged alphabetically, and each contains a brief definition, followed by an explanation and discussion, practical examples, and annotated suggestions for further reading.

Conservation of Quantity
Conservation of quantity
Definition

In mathematics and science, conservation of quantity refers to the principle that quantities such as number, length, mass and volume are invariant under certain transformations. Pupils’ confident and appropriate use of the principle of conservation of such quantities is a key indicator of their ...

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