The KS2 Maths Year 4 Activity Book consists of a variety of maths exercises and enables children to understand how to approach maths questions. This activity book is designed to be used as a fun introduction to our Key Stage 2 maths series of workbooks.improves a child's maths ability for Key Stage 2, SATs and other styles of maths test. Answers, Progress Charts and a Certificate of Achievement are included at the end of the book. All our materials have been rigorously classroom tested.