Review additions and subtractions while having fun with this original Ellen Ochoa math mystery picture, a great activity for Hispanic Heritage Month, Women's History Month or the International Day of Women and Girls in Science.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, not all the questions are