The "First Numbering Notebook with the Little Ones" aims to help the young student of the 1st grade to gain a clear understanding of the concept of the first numbers, as well as to learn their correct writing. This is achieved through a series of appropriate exercises that help the child cultivate their mathematical thinking, by inviting them to solve a series of exercises in each lesson, as well as simple problems. We consider the "First Numbering Notebook with the Little Ones" to be a useful and highly functional aid for 1st-grade children. It introduces them easily and effortlessly to the world of numbers and makes them love the subject of Arithmetic.