Review the 4 operations 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 8 different worksheets allowing you to differentiate: two sheets of mixed additions and subtractions with equations (EASY and HARD), two sheets of multiplications (EASY and HARD), two sheets of mixed multiplications and divisions with equations (EASY and HARD) and two sheet