Instead of numbers write the color word on the bottles. Sort pom-poms by color. Empty each bottle and count the pom-poms. Then record how many pom-poms were in each bottle. Add the two colors together for addition practice.
Cute for primary grades! Poster display for classroom expectations/community building. (If you want each student can have a clothespin with their name. When they display one of these, pin it to the corresponding expectation!