Review additions and subtractions while having fun with this original George Washington Carver mystery picture. A great activity for George Washington Carver Day, Earth Day, and Black History Month.This product is aligned to the Common Core standards.Contains 6 different worksheets allowing you to differentiate: two sheets of additions (EASY and HARD), two sheets of subtractions (EASY and HARD) and two sheets of mixed additions and subtractions with equations (EASY and HARD).In the HARD ones, no