Place inside an envelope with one end cut off. Gradually pull to reveal one letter at a time. This is a great way to help kids blend sounds gradually rather than feeling overwhelmed and giving up or guessing the word.
Third Grade first day of school -(or use as a good icebreaker for adults!) I usually do something similar, but I think I'll do it as a BiNGO board this year. Me: I use something similar with my graders as a BINGO board.
Sub Tub -- Possible things to include: A Welcome Binder (explaining the daily schedule, where things are in the room and anything the sub might need like computer log-in codes), emergency lesson ideas, great books, games and other activities to do!