This assessment is a series of “steps" that gradually increase in story problem complexity and number size. The cover ALL of the Common Addition and Subtraction Situations from Kindergarten, 1st, and 2nd grade (K.OA.A.2, 1.OA.1, 2.OA.1) AND the Mathematical Practice Standards! Multiple recording sheets are included for teachers and students to assess progress (appropriate for Kindergarten, 1st, or 2nd graders). Great tool to use for differentiation, Response to Intervention (RtI), or Gifted &