Project based learning: Planning a Park or Playground Clean Up Day! PBL is a great way to integrate reading, writing, math and more in one fun and easy to implement unit!Students create their goals for the clean up day, plan out the needed materials, map out the park and where supplies will be, calculate the costs of the clean up supplies and/or plants, and more! This unit is designed for little learners and requires minimal prep work making it great for fast finishers or for center/independent