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.
ROLL CROSS: What a fun and easy math game for kids of all ages! This is a perfect number recognition and counting game for toddlers and preschoolers. They will love playing with this homemade dice and racing to cross out the numbers!
Missing Numbers Clip Sticks is a fun math activity. Create number lines with one or two numbers missing on lollipop sticks.add the missing numbers to a peg and the pupil can indicate their choice to place in the gap.