Mathematics program intended for Middle School pupils (age 12-14) This Title comprises 17 chapters of complete courses completed with exercises covering every subject undertaken. The exercises are corrected step by step using the Evalutel Teaching Method which reconciles the struggle against failure in school and the valorisation of the most Talented students. Among the subjects covered: Introduction of Negative integers on an axis, addition and multiplication of whole numbers, proof of the sign rules, operations on fractions, prime numbers LCM’ and GCD’, setting and solving Linear Equations in one variable.