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.
This free Dr. Seuss math activity is the perfect subtraction game to play after reading One Fish, Two Fish, Red Fish, Blue Fish! Students use hands on manipulatives to practice subtracting during Read Across America week!