The "First Counting Notebook with Little Ones" aims to help the young student of the 1st grade to acquire a clear understanding of the concept of prime numbers, as well as to learn their correct spelling. This is achieved through a series of appropriate exercises that help the child cultivate their mathematical thinking, inviting them to solve a series of exercises in each lesson, as well as simple problems. We believe that the "First Counting Notebook with Little Ones" is a useful and extremely 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.