This application is an interactive guide with 5 multiple-choice questions and their solutions. Learning of mathematics helps to understand reality and provides tools to function in everyday life.It is part of a new project, Mathematics for Secondary Education.This project involves the development of 4 units of the Ministry of Education programThis interactive guide enables the content, Unit Data and Azar. "Sample Space get GeoGebra number in roulette."At the address:https://www.geogebra.org/upload/5a2170ec4cb7d/lt/a98eccc380d6d811e2de06e61dbe4ddb/?lang=esYou find Geogebra file to experiment with playing card letters.Visit our website www.nuestroaprendizaje.com for other applications in Android.Ivan Muñoz Gjurovic