<p>Hey everyone, I've got a question about asking for recs. I'm planning on applying for research programs through REU. I'm thinking about applying to at least 5 programs at different 5 universities but I'm not sure how to approach my instructor for one recommendation which will work for all the 5 programs. What do I need to provide him? How should I explain the situation to him? And oh I got a B from that class.</p>