This book covers the requirements of the current Tanzanian Primary School syllabus for Mathematics Standard 7. The book has systematic guide notes and plenty of examples to asist in teaching the pupils. It has many exercises to help the pupils to test themselves and evaluate their understanding of each section in a topic. As a requirement for competence-based teaching, the book has plenty of activities which engage the pupil in class and in applying mathematical concepts in everyday life. This book uses a competence-based approach as its predecessors for lower levels (Mathematics with Activities Book 3, 4, 5 and 6). Together, these books teach and equip the pupils with fundamental skills in Mathematics in a simple and easy to understand way.