This book is an essential aid for the student to understand and assimilate the subject matter and approach the "world of mathematics" in a systematic and enjoyable way. It is a useful tool for educators and parents to meet the modern teaching spirit of Mathematics, which is introduced with the new textbooks.

It includes:
- Analysis of the theory of each unit of the textbook in simple and understandable language
- Exercises and problems of increasing difficulty, which contribute to the acquisition and consolidation of new knowledge
- Evaluation criteria at the end of each chapter
- Answers to all exercises and problems in the student's book and workbook.