Earth Day Word Problems using Multiple Operations. 15 word problems related to Earth Day for your students to solve. Includes addition, subtraction, multiplication, and division problems. Some are two step problems. Encourages critical thinking and application of basic math skills. Supports Common Core State Standards. Problems can be printed as worksheets or as task cards. Includes the word problems on 5 worksheets, on 15 task cards with recording sheet, an answer key, and teacher directions. A