PAES M1 | Conjunto de los números racionales | Clase 2

Are you confused by fractions and decimals? Master the set of rational numbers for the PAES M1 exam. Learn to simplify, expand, and translate mathematical language to secure your score. Throughout the lesson, we'll review the definition of rational numbers, their expression as fractions and decimals, as well as their properties and operations. We'll also analyze their location on the number line and solve PAES-style practice problems so you can apply what you've learned in a practical way. 🔥 Train like a top scorer! Don't leave your university admission to chance. Register for free to access unlimited practice tests: 👉 https://www.puntajenacional.cl/ 📚 Take your study materials with you! Prefer to study on paper? Get our official PAES Manuals. Summarized theory, practice tests, and the exact path to 1000 points. 🛒 Buy them here: https://tienda.puntajenacional.cl 00:00 Welcome and recommendations for performing at your best 03:28 Definition and representation of rational numbers 05:05 Amplifying fractions: contexts of strategic use 08:03 Step-by-step simplification and unification of operations 12:07 Translating everyday language into mathematical language 22:45 Guided problem-solving: Sentence modeling exercise 29:03 Fractions in context and deduction of implicit information 34:26 PAES-type problem using a tree diagram 44:57 Addition and subtraction operations with like and unlike denominators 52:35 Applying the Least Common Multiple (LCM) to fractions 55:23 Alternative solution with the "butterfly method" 58:54 Exit assessment and practice resources 🚀 If you are preparing for the 2026 PAES or In 2027, this class will allow you to strengthen your math foundation and move forward with greater confidence in the test content. 📱 Join the largest study community in Chile! Instagram: @puntajenacional TikTok: @puntajenacional #PAES2026 #PuntajeNacional #PAESM1 #RationalNumbers #PAESMathematics #PAESStudy #ChileanEducation