There is an envelope laminated for each assignment due. Start with 10 envelopes. Write the activity on the envelope and the kids go there to turn it in. Then they check off their name on the back so you can tell exactly who didn't turn it in. It also makes things SO much easier to grade!
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