This set includes eight center activities, four addition and four subtraction. The cards are color coded to help you keep them organized for easy set up and use year after year. These centers increase in difficulty to help with differentiation to meet the needs of all the students in your classroom. The first center is level one, simple addition with dots using orange bunnies and carrots. The second center is level two, simple one digit addition no pictures using gray bunnies and carrots. The