Celebrate Earth Day by reviewing the 4 operations with this math mystery picture bundle featuring four influential figures in environmental conservation: Jane Goodall, Rachel Carson, George Washington Carver, and Greta Thunberg.This bundle is aligned to the Common Core standards.This is the 3rd grade version.Other versions: 1st grade, 2nd grade, 4th grade, 5th gradeIf you want to buy this product but are not sure which grade to buy:- for grade 3, the easy level has multiplications up to 5, the