4 different Space Math Mystery Pictures to review additions and subtractions. This product is aligned to the Common Core standards. Each Mystery Picture has 6 different worksheets to allow 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 difficult.The EASY level will be perfectly suited for Grade 2 student