I think you could also have multiple pipe cleaners coming from one number and students have to show multiple ways to add numbers to get to that number. Counting with pipe cleaners and beads. Great for fine motor development too.
FIne Motor Activity: Spirals and other Patterns (free printable; from Stimulating Learning with Rachel) Mais
Fine motor skill using large lego blocks
Everyday Fine Motor Materials P is for Paperclip. I love this as a tray activity for color matching and fine motor skills
how many cheerios can you stack in 30 seconds, etc. Use pink play dough and the pink yogurt cheerios to make this a Valentine's day school class party game
This hole punch fine motor activity is inexpensive, easy to prep and can be done independently.
By The Sugar Aunts: Use Playdough to address scissorskills: Bilateral hand coordination, line awareness, strengthening, scissor positioning, open/shut motion.
Punching & threading with leaves, hungry caterpillar activity great for fine motor!
mixed Autumn Tree Threading Activity for developing fine motor skills :: Wings and Roots
Ages (Pre-K - Kindergarten) Exhibits eye-hand coordination, strength, control, and object manipulation