Animated timers that you can put on the projector. Gives students a visual for the time they have remaining. Plus a fun surprise (noise cue) when time is up! :) Sometimes kids just need the visual rather than a timer on a desk.
What Makes a Parent Love a Teacher - terrific post by Jennifer of Cult of Pedagogy about the importance of getting to know your students and some tips doing that. More importantly, create positive connections with your students.