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.
Ice Cream Numbers - preschool summer math that explores fine motor skills, counting, one-to-one correspondence, and more early math skills Mehr zur Mathematik und Lernen allgemein unter zentral-lernen.
Number sense activities for Kindergarten and grade. These activities are perfect to help students gain awareness of the numbers Students practice ordering numbers, comparing numbers, building numbers, and identifying different ways to make the numbers