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.
"busy bags" I absolutely loved this one. These are jumbo craft sticks with magnet strips glued on. Then get some jumbo colored paper clips. They can sort colors or make any kinds of patterns with the paper clips.
Fun sorting activities you can do at home with your kids. (this website is full of great educational activites to do with your kids! Legos one is about trash recycling sorting. Draw rectangles, write the word "red" etc, and then they can sort.
This anchor chart is a great way to organize sorting. I think I will prep it ahead of time, and have the class organize the shapes and glue them in the bubbles. i will also have my kindies write the names