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.
Kindergarten Common Core Math Vocabulary Word Wall Cards - Could have these signs printed out and have stations where they can sort my different attributes listed in the title. Students can sort a variety of objects based on size, shape, and color.