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
FREE! a MUST have for classroom library. It allows you yo use your smart phone and scan the bar code on your classroom books and then it inputs all of the info for you on a FREE data base. It allows you to let kids scan out the books and check out and check in them, separate them by reading levels and even put down their location in your class room. Did I mention it's FREE!?!?