Earth Day Math - Project-Based Tasks:This set of five open-ended scenarios can be used in many ways. Try them as project-based tasks, team assignments, learning stations, or worksheets.The open-ended prompts are intended to be used to get students started with researching and problem solving. They investigate the costs of each alternative and use the following skills:- unit rates & unit prices- operations with decimals- proportional reasoning- conversions with time, money, and moreIf you p