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.
Self-Assessment Strategy- students use cards to indicate how they are progressing through the independent practice. This allows the teacher to intervene when necessary and gauge students' understanding of concepts.