Audio project

I'm using google voice.  I have had students call in to read explanations for concepts that they have written in their notebooks. The kids love doing it.  I play some of their messages in class.  They're engagement level is very high.  It does give kids who don't like to participate in class a voice.  I find it an efficient way to formatively assess kids understanding. Some drawbacks are that the transcriptions are abyssmal and even sometimes print obsceneties that weren't stated in the message.  I have also had students call more than once to leave long messages that have nothing to do with what we are doing in class.  The phone in my room works great for students that don't have a cell phone.  So far I have only used it for in class assignments.