Earth Day Tessellation Project | Collaborative Poster | Bulletin Board Idea | What I Do for the Earth Collaborative Math ProjectDifferentiated Team Building Earth Day Math & Art Project: What I Do for the Earth (different options: addition to 150, only fractions, fractions and decimals, fractions, decimals, and percentages). The activity works well as both an individual or a collaborative group project. This Earth Day-themed math resource combines holiday creativity with hands-on mathematica