This two-volume teaching aid is an original and systematic work that aims, through a set of creative activities, to help students build correctly and simply the most important mathematical concepts and techniques defined by the new curriculum. It is organized according to the content and structure of the new school books for 2018-2019.

It includes:

- Key theoretical points of each chapter, with examples for better understanding.
- Reinforcement exercises and problems with increasing difficulty for better practice at different levels.
- Review lesson for each unit, with recap exercises that allow for complete review and feedback.
- Evaluation criteria at the end of each unit, with appropriately selected exercises that allow for reliable assessment.
- Detailed solutions to exercises and problems, as well as detailed solutions to exercises and problems in the school books (Student Book and Workbook).

This Volume A includes units 1, 2, 3, 4 of the school books.