Our goal is to develop autonomy in students to acquire learning, especially in the current situation. With this objective in mind, the following cards were designed, which guide the step by step in solving mathematical operations. Each page includes two tabs. They can be printed, cut out and laminated. It Includes:- Cover page.- How to do page.p1:- Addition of fractions.- Subtraction of fractions.p2:- Multiplication of fractions.- Division of fractions.p3:- Simplification of fractions.p4:- Algeb