Here is the hanging bead stair 1-9 and an extension sheet that the students can do. Once the students have been introduced to the bead stairs they can work on matching the beads to the numeral by hanging it on the hook under the number.
Here are some links to check out:
Montessori Counting with Hanging Beads Video youtube has alot of great videos on presenting Montessori materials
Homemade Montessori shows you how to make your own Montessori bead stair.
The Helpful Garden has free printables for the hanging bead stair