PAES M1 | Concepto de porcentaje | Clase 5

In this fifth lesson of PAES Mathematics M1, we tackle a fundamental and highly applied topic: the concept of percentages. You will learn what it means, how to interpret it, and how to use it in different everyday contexts and in mathematical problems. Throughout the lesson, we will review how to calculate percentages, percentage increases and decreases, and their relationship to fractions and decimals. We will also solve exercises step by step and work with PAES-style questions so you can apply these concepts clearly and effectively. 0:00 Welcome to the PAES M1 Percentages lesson + important announcements 3:22 What is a percentage? Key Concept Explained Easily (PAES) 5:20 How to Convert Percentages to Fractions (Including Decimals) 8:03 Converting Percentages to Decimals Step by Step 12:00 Percentage Formula and Rule of Three for PAES 15:57 PAES Exercise: Calculating 15% of 60,000 19:00 Converting Between Percentages, Fractions, and Decimals (DEMRE Key) 21:18 How to Correctly Convert Decimals to Percentages 24:18 How to Convert Fractions to Percentages to Make 100 31:13 Types of Percentage Problems in the PAES (Total, Part, %) 37:57 PAES Exercises: Easily Finding Percentages and Totals 46:44 Percentage Chains: Step-by-Step Exercises (PAES) This lesson is part of the free Puntaje Nacional program, where we will help you prepare for the PAES throughout the year with clear content, practice tests, and strategies to improve your performance. Access real-world practice by registering for free at: [https://www.puntajenacional.cl/](https://www.puntajenacional.cl/) 🚀 If you're preparing for the 2026 or 2027 PAES exam, this class will help you strengthen your math skills and confidently tackle these types of problems on the test. Follow us on our social media channels and find information about the test, applications, tuition waivers, and much more. Instagram: /puntajenacional TikTok: /puntajenacional #PAES #PAESMathematics #PAESM1 #PuntajeNacional #PAESMathematics