SIMPLIFICAR UNA FRACCIÓN
Juego sobre fracciones
CreatingRepresentations/CL001_C01_A05_W_CreatingRepresentations.swf
https://phet.colorado.edu/en/simulation/fractions-intro
http://www.scootle.edu.au/ec/viewing/L2800/index.html
https://thisendup.herokuapp.com/manipulatives#canvas-anchor
Videos
Ejemplos
