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.
Frog counting activity- Make numbered lily pads and use them, along with small toy frogs, in a sensory bin, water table, or large container filled with water. The article includes directions for making the lily pads. a printable pattern that you can down
Maths activity to emphasis the value of coins, children have to use the coins to make the value shown on each sticker, up to Could be extended using different values or different coins # teaching ideas