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.
"Going on a Bear Hunt" sensory activities; instruments could also be incorporated: bongos for "walking" to the refrain, ocean drum for the river, cricket and/or frog rasp for the forest, thunder tube for the cave or bear's roar...
GIANT SHAPE MATCH: Check out this awesome indoor math activity for toddlers and preschoolers; an awesome rainy day activity; quick and easy to set up; easy toddler activity; easy preschool activity; diy math activity
20+ Simple Hands-On Activities That Help Build Fine Motor Skills - with fine motor skills going missing at preschool, try some of these hands-on invitations to help strengthen fine motor skills | you clever monkey