Por si algún profe quiere investigar sobre estas 70 apps y ver si le son de utlidad. Yo uso algunas // The 70 Best Apps For Teachers And Students - Edudemic. These are listed as itunes apps, but I'm sure a lot of them can be found for Android as well.
math games - The favorite family game has been altered to be played so that kids can practice their multiplication fact fluency! These sheets can be printed and laminated for permanent use. Perfect for partners to play during a Math Workshop.