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.
The Stay-at-Home-Mom Survival Guide: Preschool Activities This is a GREAT site. She has so many clever and easy ways to work with your preschooler and have fun at the same time. They also have infant and toddler activities. Great ideas for this summer!