Beaded number rods for subtraction! Great visual for students with special needs. Adding concrete materials when performing simple operations, helps build number sense to ensure students are relating quantities to symbols (numbers). For this and more great ways to use beads and pipe cleaners in your math lesson, go to: http://commoncoreconnectionusa.blogspot.com/2014/12/beaded-number-rods.html
If you teach elementary, kids are always making pictures for you. But what do you do with them all? By adding them to a clipboard, you can display the most recent and still be able to look through pictures from the past. Idea from Clean & Scentsible blog.