Tower of numbers: Each roll of toilet paper has a number on it. These toilet paper rolls will need to be placed in the correct order to create a tower. (Place a circle piece of paper between the rolls to make it easier to balance.
Laminate a number ladder, cut small slits in top & bottom & add a pipe-cleaner with a small bead. Use the bead to slide up & down as you complete addition & subtraction problems (",). could do the same thing with a horizontal number line.