Save up to 16% with business pricing and GST input tax credit. Sign up for a free Amazon Business account Universal Mathematics Prime is a series of eight books for students of grades 1 to 8. All the books are written based on extensive research and each chapter provides exercises featuring a variety of questions to help the learners gather enough practice for better applicability in real-life situations. The series is innovative in its treatment of the subject and integrates the theory of multiple intelligences.