The Busy Ant Maths Pupil Book 4B contains three levels of differentiated challenge built-in to each lesson as well as extra consolidation and extension activities to ensure rapid progression for every child. The Busy Ant Maths Pupil Book 4B contains three levels of differentiated challenge built-in to each lesson as well as extra consolidation and extension activities to ensure rapid progression for every child. Used in conjunction with the Teacher's Guide, Progress Guide and Homework Guide, this book is the best way to ensure that pupils achieve all the learning objectives of the new Primary Maths National Curriculum.