Abacus is a unique maths toolkit for inspiring a love of maths and ensuring progression for every child. Written by an expert author team, it has been carefully crafted on a robust approach to creating inspired and confident young mathematicians. Part of the Abacus toolkit, the textbooks provide: the perfect balance of practice and problem-solving for each area of maths pictorial representations to support children's conceptual understanding clearly laid out questions with instructions that are easy to follow a self-assessment opportunity on every page colour to indicate the different maths areas within the programme. Series Editor: Ruth Merttens Authors: Jennie Kerwin and Hilda Mertten