This book is aimed at female and male students in the 6th grade of primary school, their teachers, and their parents or guardians.
It is written in accordance with the chapters of the school book.

It contains:
• Activities for introducing new concepts.

• Theory written in an understandable way, so that the student can manage each concept and develop each skill at a higher level.

• Applications that cover all categories of the chapter.

• Exercises divided into two groups A and B for better understanding and deepening of mathematical concepts.

• Recap chapters, where students can organize the material of previous chapters.

• Evaluation criteria, with which students can check how well they are doing in the requirements of the lesson and gain self-confidence.

• Competition topics organized by the Hellenic Mathematical Society, such as "Pythagoras" and "Little Euclid," as well as the international mathematical competition "Kangaroo".

• The book is accompanied by an insert that contains detailed answers to the exercises of both this book and the school book.