This book explains 'big ideas' in mathematics in simple terms supported by classroom examples to show how they can be applied in primary schools to enable learning. Carefully linked to the National Curriculum, it covers all the major concepts so trainees can develop their own mathematical subject knowledge and to give them the confidence to deepen their understanding of the children they teach.

This second edition includes:

- A new 'links with mastery' feature showing how to teach with mastery in mind

- A new glossary of key terms

- New big ideas and activities throughout