A new proposal for annual progression that follows the 2018 programs. An organization by mathematical domains. Lessons all built on the same pattern: a mental arithmetic activity a LET’S RESEARCH TOGETHER allowing us to collectively discover a new concept in a simple and immediate way an I REMEMBER serving as a reference for the student an I APPLY allowing a reinvestment of the concept studied an I TRAIN composed of numerous appropriation exercises classified by skills and numerous problems. All are graded in difficulty in order to easily practice differentiation in class; some are